Otto & Sofia | Natural Diamonds and Gems Fine Jewelry

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Emerald Cut Bezel Tennis Bracelet - Lab-Grown Diamond in 14K White, Yellow, or Rose Gold (6 1/4 CTW)

$5,199.00

Graduated Tennis Necklace - (9 1/2 CTW) Lab-Grown Diamond Tennis 16 1/2" Necklace in 14K White, Yellow, or Rose Gold

$7,899.00

Emerald-Cut Gemstone Line Bracelet in 14K Yellow Gold

From $2,999.00

Bezel Tennis Bracelet - Lab-Grown Diamond in 14K White, Yellow, or Rose Gold (3 1/2 CTW)

From $3,599.00

Alternating Oval & Round Cut Tennis Bracelet - Lab-Grown Diamond in 14K White or Yellow Gold 5 1/2 CTW

$5,849.00

Pear Cut Tennis Bracelet - Lab-Grown Diamond in 14K White, Yellow, or Rose Gold (6 1/2 CTW)

$5,499.00

Emerald Cut Tennis Bracelet - Lab-Grown Diamond in 14K White, Yellow, or Rose Gold (5 CTW)

From $4,999.00

Bezel Tennis Necklace - (5 1/5 CTW) Diamond Tennis 16" Necklace in 14K White, Yellow, or Rose Gold

From $7,799.00

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Radiance, Redefined

Discover modern elegance crafted to last a lifetime. Each Otto & Sofia Jewelry piece is designed to elevate your everyday with the brilliance of fine craftsmanship and the confidence of timeless beauty.

Free U.S. Shipping

Free 30 Day Returns

Discreet Packaging

Absolutely, everything at O&S is Fine Jewelry.

Multi-Gem Necklace in White Gold 14K

$559.00

Sapphire Multi-Gem Bracelet in Yellow Gold 14K

$339.00

Sapphire Multi-Gem Earrings in Yellow Gold 14k

$499.00

Multi-Gem and Diamond Bracelet in Yellow Gold 14k

$749.00

Emerald-Cut Gemstone Line Bracelet in 14K Yellow Gold

From $2,999.00

Amethyst with Diamonds Necklace in White Gold 14K

$599.00

Green, Pink Amethyst & White Topaz Earrings in Yellow Gold 14K

$549.00

Marquise Blue Topaz with Diamonds Earrings in White Gold 14K

$529.00

Pink Sapphire Necklace in Yellow Gold 14K

$649.00

Turquoise and Diamonds Necklace in Yellow Gold 14K

$599.00

Amethyst with Diamonds Necklace in White Gold 14K

$499.00

Peridot and Diamonds Necklace in White Gold 14K

$419.00

Emerald Cut Bezel Tennis Bracelet - Lab-Grown Diamond in 14K White, Yellow, or Rose Gold (6 1/4 CTW)

$5,199.00

A refined take on the classic tennis bracelet, this piece showcases emerald-cut lab-grown diamonds in a sleek bezel setting. With 6 1/4 carats total weight, each stone is meticulously framed to enhance its step-cut brilliance while offering a smooth, modern profile. Crafted in your choice of 14K white, yellow, or rose gold, it’s a timeless statement of elegance designed for everyday luxury.

Gem: Lab-Grown Diamond

Total Diamond Weight: 6 1/4 Carats (CTW)

Clarity, Color: SI, G-H

Cut: Emerald Cut

Bracelet Size: 7 In

Finish State: Polished

Primary Stone Size: 3.5 x 2.4mm

Setting: Bezel

Additional Information:

Comes with the following Diamonds:

Quantity	Stone
39	0.160 Ct -- 3.5x2.4 MM, SI G-H Emerald Diamond Lab-Grown

*Kindly note, this item may have an additional 2-business-day lead time.

*See something you love that’s out of stock? No worries! Send us a DM and we’ll have it ready for you in about 2-3 weeks.

Graduated Tennis Necklace - (9 1/2 CTW) Lab-Grown Diamond Tennis 16 1/2" Necklace in 14K White, Yellow, or Rose Gold

$7,899.00

Command attention with this breathtaking graduated line necklace, featuring 9 ½ carats of lab-grown diamonds in solid 14K gold. Designed with a graceful graduation, the diamonds gradually increase in size toward the center, creating a luminous focal point that enhances the neckline. Available in white, yellow, or rose gold, this 16 ½-inch piece is a timeless expression of elegance and brilliance.

*Kindly note, this item may have an additional 2-business-day lead time.

*See something you love that’s out of stock? No worries! Send us a DM and we’ll have it ready for you in about 2 weeks.

Gem: Lab-Grown Diamonds

Clarity, Color: SI1-SI2, G-H

Diamond CTW: 9 1/2 CTW

Primary Stone Size: 5.25 mm

Primary Stone Shape: Round

Necklace Length: 16 1/2 In

Prong Count: 3-prong

Plating Type: Rhodium-Plated

Finish State: Polished

Weight: 12.76 DWT (19.84 grams)

Additional Information:

Comes with the following Lab Grown Diamonds:

Quantity	Stone
127	0.036 Ct -- 2 MM, SI1-SI2 G-H Round Diamond Lab-Grown
8	0.040 Ct -- 2.1 MM, SI1-SI2 G-H Round Diamond Lab-Grown
6	0.050 Ct -- 2.3 MM, SI1-SI2 G-H Round Diamond Lab-Grown
4	0.070 Ct -- 2.5 MM, SI1-SI2 G-H Round Diamond Lab-Grown
4	0.090 Ct -- 2.9 MM, SI1-SI2 G-H Round Diamond Lab-Grown
4	0.130 Ct -- 3.3 MM, SI1-SI2 G-H Round Diamond Lab-Grown
4	0.160 Ct -- 3.5 MM, SI1-SI2 G-H Round Diamond Lab-Grown
2	0.200 Ct -- 3.65 MM, SI1-SI2 G-H Round Diamond Lab-Grown
2	0.250 Ct -- 3.9 MM, SI1-SI2 G-H Round Diamond Lab-Grown
2	0.500 Ct -- 4.9 MM, SI1-SI2 G-H Round Diamond Lab-Grown
1	0.630 Ct -- 5.25 MM, SI1-SI2 G-H Round Diamond Lab-Grown

Classic Tennis Bracelet - Lab-Grown Diamond in 14K White, Yellow, or Rose Gold (1–10 CTW)

From $1,599.00

Timeless and radiant, this classic tennis bracelet features a continuous line of Lab-Grown diamonds, each hand-set in gleaming 14K gold.

Available in your choice of white, yellow, or rose gold, and in total carat weights from 1 to 10 CTW, it’s designed to elevate everyday elegance or complete a formal look with brilliance. A secure clasp ensures comfort and confidence with every wear-refined luxury that never goes out of style.

Gem: Lab-Grown Diamonds

Clarity, Color: SI1-SI2, G-H

Bracelet Size: 7 1/4 In

Finish State: Polished

*Kindly note, this item may have an additional 2-business-day lead time.

*See something you love that’s out of stock? No worries! Send us a DM and we’ll have it ready for you in about 2-3 weeks.

Pear Cut Tennis Necklace - (10 CTW) Lab-Grown Diamond Tennis 16" Necklace in 14K White, Yellow, or Rose Gold

$8,299.00

Make a statement with this exquisite pear cut lab-grown diamond tennis necklace, showcasing 10 CTW of brilliance. Each pear-shaped diamond is gracefully set to create a continuous line of sparkle along a 16-inch strand, blending timeless sophistication with a modern twist. Available in 14K white, yellow, or rose gold, this necklace elevates any look with its bold yet elegant design.

*Kindly note, this item may have an additional 2-business-day lead time.

*See something you love that’s out of stock? No worries! Send us a DM and we’ll have it ready for you in about 2-3 weeks.

Gem: Lab-Grown Diamonds

Clarity, Color: SI, G-H

Diamond CTW: 10 CTW

Primary Stone Size: 4.7 x 3.1mm

Primary Stone Shape: Pear Cut

Necklace Length: 16 In

Prong Count: 3-prong

Finish State: Polished

Weight: 8.36 DWT (13.00 grams)

Additional Information:

Comes with the following Lab Grown Diamonds:

Quantity	Stone
46	0.080 Ct -- 3.50X2.30 MM, SI GH Pear Diamond Lab-Grown
20	0.100 Ct -- 3.80X2.50 MM, SI GH Pear Diamond Lab-Grown
12	0.150 Ct -- 4.30X2.80 MM, SI GH Pear Diamond Lab-Grown
13	0.200 Ct -- 4.70X3.10 MM, SI GH Pear Diamond Lab-Grown

Emerald Cut Tennis Necklace - (11 3/4 CTW) Lab-Grown Diamond Tennis 16" Necklace in 14K White, Yellow, or Rose Gold

$10,499.00

Elevate your style with the bold elegance of this emerald cut lab-grown diamond tennis necklace. Featuring 11 ¾ carats of striking emerald cut diamonds, each stone is set to create a seamless line of brilliance along a 16-inch strand. Crafted in your choice of 14K white, yellow, or rose gold, this necklace offers a modern take on the classic tennis design, making it a statement piece for every occasion.

*Kindly note, this item may have an additional 2-business-day lead time.

*See something you love that’s out of stock? No worries! Send us a DM and we’ll have it ready for you in about 2-3 weeks.

Gem: Lab-Grown Diamonds

Clarity, Color: SI, G-H

Diamond CTW: 11 3/4 CTW

Primary Stone Size: 3 x 2.1mm

Primary Stone Shape: Emerald Cut

Necklace Length: 16 In

Prong Count: 4-prong

Finish State: Polished

Weight: 11.06 DWT (17.20 grams)

Additional Information:

Comes with the following Lab Grown Diamonds:

Quantity	Stone
117	0.100 Ct -- 3X2.10 MM, SI G-H Emerald Diamond Lab-Grown

Let customers speak for us

from 13 reviews

Me gustó el diseño !
Agradezco a mi hija Victoria

Luz Aida Gil Elizondo

01/08/2026

I love my new sapphire earrings! They’re exactly what I wanted — not too big, not too small, just the right sparkle. They look elegant and go with everything. I wear them all the time — swimming, showering, even sleeping — and they still look perfect! Great quality and totally worth the price!

Mafer Glz

10/17/2025

Sapphire and Diamond Earrings in White Gold 14k

Amazing piece! I love it. Very elegant and well designed. A classic for an everyday jewel wearing. 100 % recommended. The purchase and payment process super friendly and a great customer service.

Victoria

Station Tennis Necklace - Lab-Grown Diamond 16" Necklace in 14K White, Yellow, or Rose Gold (4 CTW)

Absolutely perfect and so elegant. I wear it all the time, on its own or layered.

10/16/2025

Herringbone Necklace in 14K White or Yellow Gold (2.8mm, 16" or 18")

More pretty in real life than in photos.

Ale

08/14/2025

Super classy I just love it. It’s an every day accessory.

Sapphire and Diamond Necklace in White Gold 14K

Beautiful 😍

I absolutely fell in love with the sapphire and diamond necklace. I knew it was meant for me! The purchasing and payment process was so simple and smooth, making the whole experience even more enjoyable. When it arrived, it was even more stunning in person. I’m completely thrilled and couldn’t be happier with my purchase!

Paulina

08/03/2025

I just received the piece I ordered and I want to thank you - it"s absolutely beautiful! The quality and detail exceeded my expextations. I truly appreciate your support and craftsmanship and the care you put into your work.

Patricia Avila

08/02/2025

Amethyst and Diamond Earrings in White Gold 14K

I got a diamond and ruby necklace for my birthday, and it’s absolutely gorgeous. The stones are high quality, with brilliant sparkle and rich color. It came in elegant, velvet lined packaging that made it feel extra special. Ive already received so many compliments. I couldn’t be happier with it!

Fadia Zavala

07/16/2025