Radiant|Lab Grown|IGI

1.51ct G VVS1 Radiant Lab Grown Diamond

ID • G/VVS1 • IGI LG687542065

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

Certificate IGI LG687542065

Diamond specifications and retailer prices

From $220 USD
As of October 31, 2026
Save $733 USD (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $953 USD at Brilliance · As of November 1, 2026
View at Brilliance

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG687542065 or 687542065. Listed at 8 retailers as of October 31, 2026, with prices from $220 to $953, a $733 spread on the same certified stone. Brilliance lists it at $953. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687542065
Dimensions8.23 × 5.76 × 3.69 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.23 mm5.76 mm1.51 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687542065
Side View
Table 66.0%Crown 41.8°Girdle: MediumPavilion 33.7°Culet: NoneDepth 64.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $953 USD|Low: $196 USD|High: $1,630 USD|Avg: $724 USD|-5.3%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 5$220 USD
Retailer 9$345 USD
Retailer 2$416 USD
Retailer 6$518 USD
Retailer 11$608 USD
Retailer 4$620 USD
Retailer 8$639 USD
Retailer 10$728 USD
Brilliance$953 USD
Retailer 3$1,197 USD
Retailer 7$1,630 USD

10 data points across 11 retailers

8 retailers$220 USD to $953 USD

A
Cheapest Retailer
-
$220 USD
Final sale: no returns
B+
Retailer 2
-
$345 USD
View
A
Retailer 3
-
$416 USD
€396 EUR
View
A
Retailer 4
-
$518 USD
View
B+
Retailer 5
-
$620 USD
View
B+
Retailer 6
-
$639 USD
View
Retailer 7
-
$660 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
Brilliance
D37072233 · Nov 1
$953 USD
View
7 more retailers have this diamond
Prices start from $220 USDSave up to $733 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
$220 USD