Radiant|Lab Grown|IGI

1.51ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG777612934

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

Certificate IGI LG777612934

Diamond specifications and retailer prices

From $197 USD
As of November 4, 2026
Save $941 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,138 USD at MOH London · As of November 5, 2026
View at MOH London

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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG777612934 or 777612934. Listed at 15 retailers as of November 4, 2026, with prices from $197 to $1,138, a $941 spread on the same certified stone. MOH London lists it at $1,138. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777612934
Dimensions7.83 × 5.64 × 3.71 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.83 mm5.64 mm1.51 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777612934
Side View
Table 66.0%Crown 49.3°Girdle: MED-STKPavilionCulet: NoneDepth 65.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,138 USD|Low: $191 USD|High: $1,181 USD|Avg: $535 USD|-2.4%
MOH London
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
November 5, 2026
Retailer 14$197 USD
Retailer 13$220 USD
Retailer 9$228 USD
Retailer 5$244 USD
Retailer 6$245 USD
Retailer 8$421 USD
Retailer 15$424 USD
Retailer 7$442 USD
Retailer 12$576 USD
Retailer 11$636 USD
Retailer 2$700 USD
Retailer 10$784 USD
Retailer 3$796 USD
Retailer 4$837 USD
MOH London$1,138 USD

34 data points across 15 retailers

15 retailers$197 USD to $1,138 USD

A
Cheapest Retailer
-
$197 USD
A
Retailer 2
-
$220 USD
View
Final sale: no returns
A
Retailer 3
-
$228 USD
View
A
Retailer 4
-
$244 USD
View
Retailer 5
-
$245 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$421 USD
View
B+
Retailer 7
-
$424 USD
View
A
Retailer 8
-
$442 USD
View
A
Retailer 9
-
$576 USD
View
A
Retailer 10
-
$636 USD
View
B+
Retailer 11
-
$700 USD
View
B+
Retailer 12
-
$784 USD
View
B+
Retailer 13
-
$796 USD
View
B+
Retailer 14
-
$837 USD
View
Most Expensive
B
MOH London
LG777612934 · Nov 5
$1,138 USD
£896 GBP
View
14 more retailers have this diamond
Prices start from $197 USDSave up to $941 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
$197 USD