Radiant|Lab Grown|IGI

1.51ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG778659554

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

Certificate IGI LG778659554

Diamond specifications and retailer prices

From $262 SGD
As of November 4, 2026
Save $1,251 SGD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,513 SGD 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778659554 or 778659554. Listed at 17 retailers as of November 4, 2026, with prices from $262 to $1,513, a $1,251 spread on the same certified stone. MOH London lists it at $1,513. 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778659554
Dimensions8.20 × 5.60 × 3.83 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.20 mm5.60 mm1.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778659554
Side View
Table 65.0%Crown 42.4°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 68.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,513 SGD|Low: $254 SGD|High: $1,527 SGD|Avg: $743 SGD|+13.8%
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
Retailer 16
Retailer 17
November 5, 2026
Retailer 3$262 SGD
Retailer 17$291 SGD
Retailer 13$303 SGD
Retailer 7$325 SGD
Retailer 8$326 SGD
Retailer 12$560 SGD
Retailer 4$561 SGD
Retailer 15$627 SGD
Retailer 16$748 SGD
Retailer 11$755 SGD
Retailer 10$854 SGD
Retailer 2$1,003 SGD
Retailer 14$1,043 SGD
Retailer 5$1,054 SGD
Retailer 6$1,110 SGD
Retailer 9$1,265 SGD
MOH London$1,513 SGD

37 data points across 17 retailers

17 retailers$262 SGD to $1,513 SGD

A
Cheapest Retailer
-
$262 SGD
A
Retailer 2
-
$291 SGD
View
Final sale: no returns
A
Retailer 3
-
$303 SGD
View
A
Retailer 4
-
$325 SGD
View
Retailer 5
-
$326 SGD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$560 SGD
View
B+
Retailer 7
-
$561 SGD
View
A
Retailer 8
-
$627 SGD
View
A
Retailer 9
-
$748 SGD
View
A
Retailer 10
-
$755 SGD
View
A
Retailer 11
-
$854 SGD
View
B+
Retailer 12
-
$1,003 SGD
View
B+
Retailer 13
-
$1,043 SGD
View
B+
Retailer 14
-
$1,054 SGD
View
B+
Retailer 15
-
$1,110 SGD
View
B+
Retailer 16
-
$1,265 SGD
View
Most Expensive
B
MOH London
LG778659554 · Nov 5
$1,513 SGD
£932 GBP
View
16 more retailers have this diamond
Prices start from $262 SGDSave up to $1,251 SGD

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
$262 SGD