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Radiant|Lab Grown|IGI

1.28ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG638468183

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

Certificate IGI LG638468183

Diamond specifications and retailer prices

From $321 SGD
As of November 4, 2026
Save $1,270 SGD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,590 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG638468183 or 638468183. Listed at 17 retailers as of November 2, 2026, with prices from $321 to $1,590, a $1,270 spread on the same certified stone. MOH London lists it at $1,590. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638468183
Dimensions7.74 × 5.32 × 3.70 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.74 mm5.32 mm1.28 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638468183
Side View
Table 64.0%Crown 39.7°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 69.5%

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: $1,590 SGD|Low: $307 SGD|High: $1,610 SGD|Avg: $773 SGD|-1.1%
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
November 4, 2026
Retailer 13$321 SGD
Retailer 5$359 SGD
Retailer 3$372 SGD
Retailer 4$397 SGD
Retailer 14$397 SGD
Retailer 2$473 SGD
Retailer 11$601 SGD
Retailer 6$656 SGD
Retailer 16$663 SGD
Retailer 8$722 SGD
Retailer 9$748 SGD
Retailer 10$907 SGD
Retailer 12$1,219 SGD
Retailer 15$1,277 SGD
Retailer 7$1,537 SGD
MOH London$1,590 SGD

43 data points across 16 retailers

17 retailers$321 SGD to $1,590 SGD

A
Cheapest Retailer
-
$321 SGD
A
Retailer 2
-
$359 SGD
View
Final sale: no returns
A
Retailer 3
-
$372 SGD
View
Retailer 4
-
$397 SGD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$397 SGD
View
A
Retailer 6
-
$473 SGD
View
A
Retailer 7
-
$601 SGD
View
B+
Retailer 8
-
$656 SGD
View
B+
Retailer 9
-
$663 SGD
View
B+
Retailer 10
-
$722 SGD
View
B+
Retailer 11
-
$748 SGD
View
B+
Retailer 12
-
$907 SGD
View
B
Retailer 13
-
$1,219 SGD
View
B
Retailer 14
-
$1,277 SGD
View
Retailer 15
-
$1,342 SGD
View
Price last confirmed 18 days ago
B
Retailer 16
-
$1,537 SGD
View
Most Expensive
B
MOH London
LG638468183 · Nov 2
$1,590 SGD
£980 GBP
View
16 more retailers have this diamond
Prices start from $321 SGDSave up to $1,270 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
1.28ct Radiant
$321 SGD