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Radiant|Lab Grown|IGI

1.51ct H VVS2 Radiant Lab Grown Diamond

EX • H/VVS2 • IGI LG687559392

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

Certificate IGI LG687559392

Diamond specifications and retailer prices

From $686 SGD
As of November 4, 2026
Save $2,389 SGD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,075 SGD at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

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 LG687559392 or 687559392. Listed at 14 retailers as of November 4, 2026, with prices from $686 to $3,075, a $2,389 spread on the same certified stone. Taylor and Hart lists it at $3,075. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle43.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687559392
Dimensions8.46 × 5.40 × 3.41 mm
L/W Ratio1.57
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.46 mm5.40 mm1.51 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687559392
Side View
Table 61.0%Crown 38.1°Girdle: STK-THKPavilion 43.6°Culet: LargeDepth 63.1%

Caratlytics Score

How it works →
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: $1,310 SGD|Low: $489 SGD|High: $3,075 SGD|Avg: $1,804 SGD|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 2, 2026
Retailer 9$686 SGD
Retailer 11$749 SGD
Retailer 7$939 SGD
Retailer 8$1,183 SGD
Retailer 1$1,310 SGD
Retailer 5$1,767 SGD
Retailer 6$2,042 SGD
Retailer 3$2,208 SGD
Retailer 2$2,395 SGD
Retailer 10$2,534 SGD
Retailer 4$2,790 SGD
Taylor and Hart$3,075 SGD

24 data points across 12 retailers

14 retailers$686 SGD to $3,075 SGD

Retailer 1
-
$612 SGD
Price last confirmed 28 days ago
Retailer 2
-
$686 SGD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$686 SGD
View
Final sale: no returns
A
Retailer 4
-
$749 SGD
View
Retailer 5
-
$759 SGD
View
Price last confirmed 33 days ago
B+
Retailer 6
-
$939 SGD
View
B+
Retailer 7
-
$1,183 SGD
View
B+
Retailer 8
-
$1,310 SGD
View
B
Retailer 9
-
$1,767 SGD
View
B
Retailer 10
-
$2,042 SGD
View
Retailer 11
-
$2,442 SGD
View
Price last confirmed 36 days ago
B
Retailer 12
-
$2,534 SGD
View
B
Retailer 13
-
$2,790 SGD
View
Most Expensive
B
Taylor and Hart
4KKNJS9 · Nov 4
$3,075 SGD
$2,406 USD
View
13 more retailers have this diamond
Prices start from $686 SGDSave up to $2,389 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
$686 SGD