Radiant|Lab Grown|IGI

1.51ct G VVS2 Radiant Lab Grown Diamond

ID • G/VVS2 • IGI LG670436864

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

Certificate IGI LG670436864

Diamond specifications and retailer prices

From $189 USD
As of October 27, 2026
Save $1,071 USD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,260 USD at Brilliant Earth · As of October 29, 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 G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG670436864 or 670436864. Listed at 19 retailers as of October 27, 2026, with prices from $189 to $1,260, a $1,071 spread on the same certified stone. Brilliant Earth lists it at $1,260. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.6°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670436864
Dimensions8.23 × 5.78 × 3.84 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.23 mm5.78 mm1.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG670436864
Side View
Table 68.0%Crown 44.6°Girdle: MediumPavilion 33.4°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $1,260 USD|Low: $181 USD|High: $1,360 USD|Avg: $556 USD|-7.4%
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
October 28, 2026
Retailer 15$189 USD
Retailer 7$219 USD
Retailer 3$234 USD
Retailer 16$234 USD
Retailer 9$269 USD
Retailer 10$402 USD
Retailer 6$411 USD
Retailer 2$423 USD
Retailer 11$437 USD
Retailer 8$492 USD
Retailer 5$753 USD
Retailer 14$756 USD
Retailer 13$940 USD
Retailer 4$974 USD
Retailer 12$1,101 USD
Brilliant Earth$1,260 USD

40 data points across 16 retailers

19 retailers$189 USD to $1,260 USD

A
Cheapest Retailer
-
$189 USD
A
Retailer 2
-
$219 USD
View
A
Retailer 3
-
$234 USD
View
A
Retailer 4
-
$234 USD
View
A
Retailer 5
-
$269 USD
£212 GBP
View
A
Retailer 6
-
$402 USD
ZAR 6,497 ZAR
View
B+
Retailer 7
-
$411 USD
View
A
Retailer 8
-
$423 USD
£333 GBP
View
Retailer 9
-
$437 USD
€416 EUR
View
Price last confirmed 8 days ago
A
Retailer 10
-
$492 USD
View
A
Retailer 11
-
$508 USD
View
B+
Retailer 12
-
$753 USD
View
B+
Retailer 13
-
$756 USD
View
B+
Retailer 14
-
$807 USD
View
Retailer 15
-
$940 USD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
$974 USD
View
B
Retailer 17
-
$1,015 USD
£799 GBP
View
Retailer 18
-
$1,101 USD
£867 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
13300533A · Oct 29
$1,260 USD
View
18 more retailers have this diamond
Prices start from $189 USDSave up to $1,071 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
$189 USD