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GIA Certified 15.01 Carat Radiant Cut Lab Diamond 18K White Gold Eternity Band – Assay Jewelers
GIA Certified 46 Carat Radiant Cut Lab Grown Diamond Tennis Bracelet – Assay Jewelers
Save 16%
GIA Certified 46 Carat Radiant Cut Lab Grown Diamond Tennis Bracelet
¥6,075,900 JPY
¥7,307,200 JPY
GIA Certified 12.75 Carat Cushion Cut Lab Diamond 18K White Gold Eternity Band – Assay Jewelers
Save 20%
GIA Certified 12.75 Carat Cushion Cut Lab Diamond 18K White Gold Eternity Band
¥2,220,400 JPY
¥2,775,500 JPY
GIA Certified 31 Carat Cushion Lab Diamond Tennis Bracelet 18K White Gold – Assay Jewelers
Save 20%
GIA Certified 31 Carat Cushion Lab Diamond Tennis Bracelet 18K White Gold
¥6,286,600 JPY
¥7,858,300 JPY
GIA Cert. 22 Carat Emerald & Round Lab Diamond Tennis Bracelet 18K White – Assay Jewelers
Save 20%
GIA Cert. 22 Carat Emerald & Round Lab Diamond Tennis Bracelet 18K White
¥4,454,100 JPY
¥5,567,700 JPY
GIA Cert 2.55 Carat Emerald Cut Lab Grown Diamond 14K White Gold Engagement Ring – Assay Jewelers
GIA Cert 2.54 Carat E/VS1 Lab Grown Diamond Two Tone Solitaire Engagement Ring – Assay Jewelers
GIA Certified 3.23 Carat TW Oval Lab Grown Diamond Platinum Engagement Ring – Assay Jewelers
GIA Certified 2.8 Carat Oval Lab Diamond & Ruby Halo Floral 18K Ring – Assay Jewelers
GIA Certified 4.51 Carat Emerald Cut Lab Grown Diamond in Vintage Platinum Ring – Assay Jewelers
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GIA Certified 16.7 Carat TW Lab Grown Spinel and Diamond Multi Gem Set Cocktail Ring – Assay Jewelers
GIA Certified 3 Carat Oval Cut Lab Grown CVD Diamond Solitaire Engagement Ring in 14K White Gold – Assay Jewelers
GIA Certified Oval Cut 2.14 Carat & 18K White Gold Wide Lab Grown Engagement Ring – Assay Jewelers
Certified
GIA Certified Oval Cut 2.14 Carat & 18K White Gold Wide Lab Grown Engagement Ring
¥1,297,500 JPY
¥1,621,800 JPY
GIA Certified Lab Grown Diamonds
Sustainable Luxury, GIA Certified
This exclusive collection showcases GIA certified lab grown diamonds, offering the brilliance and prestige of natural diamonds with an ethical and sustainable edge. Each piece is graded and authenticated by the Gemological Institute of America, ensuring buyers the same level of trust and credibility as natural stones.
Exquisite Craftsmanship & Quality
Featuring bold cuts and statement designs such as cushion, emerald, and oval settings, these diamonds range from 2 to over 30 carats. Set in platinum, 18K gold, and custom vintage-inspired mounts, the collection balances contemporary elegance with timeless artistry, appealing to discerning buyers who value both innovation and tradition.
A Modern Investment
While more accessible than natural diamonds, GIA certified lab grown diamonds retain value due to their grading authenticity, exceptional size, and unmatched brilliance. For collectors and investors seeking sustainable alternatives, these pieces represent a forward-thinking approach to luxury jewelry ownership.
Frequently Asked Questions
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Orders are usually delivered within 2 days. Domestic shipping can take up to 5 business days.
Foreign shipping could take up to 14 business days or more, depending on customs delays.
Due to global supply chain challenges, shipping times could be longer than usual. -
Yes, we offer full and partial refunds.
Please enquire for more information about our Refund policy or click this link. -
We ship using all the major carriers, including FedEx overnight delivery for orders over $500. We also ship internationally and have extensive knowledge of shipping internationally.
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