Radiant|Lab Grown|IGI

1.51ct H VVS2 Radiant Lab Grown Diamond

EX • H/VVS2 • IGI LG638430096

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG638430096

Diamond specifications and retailer prices

From $208 USD
As of October 30, 2026
Save $1,182 USD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,390 USD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG638430096 or 638430096. Listed at 19 retailers as of October 30, 2026, with prices from $208 to $1,390, a $1,182 spread on the same certified stone. Brilliant Earth lists it at $1,390. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638430096
Dimensions8.04 × 5.75 × 3.87 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm5.75 mm1.51 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638430096
Side View
Table 65.0%Crown 39.9°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,390 USD|Low: $207 USD|High: $1,390 USD|Avg: $555 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
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Retailer 18
November 3, 2026
Retailer 14$208 USD
Retailer 17$233 USD
Retailer 3$241 USD
Retailer 15$258 USD
Retailer 10$267 USD
Retailer 11$308 USD
Retailer 18$348 USD
Retailer 4$443 USD
Retailer 2$469 USD
Retailer 5$492 USD
Retailer 16$513 USD
Retailer 7$602 USD
Retailer 13$668 USD
Retailer 12$830 USD
Retailer 9$860 USD
Retailer 6$882 USD
Retailer 8$1,073 USD
Brilliant Earth$1,390 USD

43 data points across 18 retailers

19 retailers$208 USD to $1,390 USD

A
Cheapest Retailer
-
$208 USD
Retailer 2
-
$241 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$258 USD
View
Retailer 4
-
$267 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$308 USD
View
B+
Retailer 6
-
$348 USD
View
Retailer 7
-
$443 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$469 USD
View
A
Retailer 9
-
$492 USD
View
A
Retailer 10
-
$513 USD
View
Retailer 11
-
$602 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$668 USD
View
B+
Retailer 13
-
$830 USD
View
Retailer 14
-
$860 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
$882 USD
View
Retailer 16
-
$1,073 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$1,210 USD
View
B
Retailer 18
-
$1,250 USD
View
Most Expensive
B
Brilliant Earth
11172630A · Nov 3
$1,390 USD
View
18 more retailers have this diamond
Prices start from $208 USDSave up to $1,182 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.

A
1.51ct Radiant
$208 USD