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Radiant|Lab Grown|IGI

1.81ct H VS2 Radiant Lab Grown Diamond

ID • H/VS2 • IGI LG508137673

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

Certificate IGI LG508137673

Diamond specifications and retailer prices

From $1,509 SGD
$1,180 USD
As of October 30, 2026
Save $4,025 SGD (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,378 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.81ct lab-grown radiant diamond

This 1.81ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508137673 or 508137673. Listed at 11 retailers as of October 30, 2026, with a 267% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.9°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508137673
Dimensions7.74 × 6.01 × 4.20 mm
L/W Ratio1.29
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.74 mm6.01 mm1.81 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508137673
Side View
Table 68.5%Crown 48.9°Girdle: STK-THKPavilion 31.2°Culet: NoneDepth 69.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,378 SGD|Low: $1,509 SGD|High: $8,444 SGD|Avg: $4,254 SGD|+0.5%
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
October 30, 2026
Retailer 2$1,509 SGD
Retailer 7$2,516 SGD
Retailer 11$2,737 SGD
Retailer 8$2,917 SGD
Retailer 4$3,067 SGD
Retailer 13$3,132 SGD
Retailer 3$3,734 SGD
Retailer 10$4,010 SGD
Retailer 9$4,568 SGD
Retailer 6$4,791 SGD
Retailer 12$5,533 SGD
Retailer 5$6,531 SGD
MOH London$8,378 SGD

18 data points across 13 retailers

11 retailers$1,509 SGD to $5,533 SGD

B+
Cheapest Retailer
-
$1,509 SGD
$1,180 USD
B
Retailer 2
-
$2,516 SGD
$1,968 USD
View
B
Retailer 3
-
$2,737 SGD
$2,141 USD
View
Retailer 4
-
$2,917 SGD
$2,282 USD
View
Price last confirmed 20 days ago
B
Retailer 5
-
$2,917 SGD
$2,282 USD
View
B
Retailer 6
-
$3,132 SGD
$2,450 USD
View
B
Retailer 7
-
$4,010 SGD
$3,137 USD
View
B
Retailer 8
-
$4,568 SGD
$3,573 USD
View
B
Retailer 9
-
$4,791 SGD
$3,748 USD
View
B
Retailer 10
-
$5,533 SGD
£3,408 GBP
View
Most Expensive
MOH London
LG508137673 · Oct 29
$8,378 SGD
£5,160 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $1,509 SGDSave up to $4,025 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.

B+
1.81ct Radiant
$1,509 SGD