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Round|Lab Grown|IGI

3.51ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG629407344

Shape and cutting style on the report: Round brilliant

Certificate IGI LG629407344

Diamond specifications and retailer prices

From $4,710 USD
As of October 29, 2026
12 retailers carry this diamond
Most expensive: $28,049 USD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 3.51ct lab-grown round diamond

This 3.51ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629407344 or 629407344. Listed at 12 retailers as of October 29, 2026. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.51
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629407344
Dimensions9.72 × 9.66 × 5.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.72 mm9.66 mm3.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629407344
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $28,049 USD|Low: $4,710 USD|High: $30,330 USD|Avg: $15,469 USD|-7.5%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 9$4,710 USD
Retailer 4$9,378 USD
Retailer 8$10,413 USD
Retailer 12$11,663 USD
Retailer 10$12,080 USD
Retailer 13$12,080 USD
Retailer 3$12,099 USD
Retailer 11$12,892 USD
Retailer 7$13,017 USD
Retailer 2$19,075 USD
Retailer 5$27,583 USD
Retailer 6$27,874 USD
Cape Diamonds$28,049 USD

20 data points across 13 retailers

12 retailers

B
Cheapest Retailer
-
$4,710 USD
Retailer 2
-
$19,075 USD
£15,020 GBP
View
Price under review
Most Expensive
Cape Diamonds
cert_629407344 · Oct 29
$28,049 USD
ZAR 453,142 ZAR
View
Price under review
2 more retailers have this diamond
Prices start from $4,710 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
3.51ct Round
$4,710 USD