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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG836604372

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

Certificate IGI LG836604372

Diamond specifications and retailer prices

From $330 SGD
As of November 4, 2026
Save $1,321 SGD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,651 SGD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836604372 or 836604372. Listed at 16 retailers as of November 4, 2026, with prices from $330 to $1,651, a $1,321 spread on the same certified stone. Reve Diamonds lists it at $1,651. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836604372
Dimensions5.89 × 5.72 × 3.98 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.89 mm5.72 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836604372
Side View
Table 67.0%Crown 41.9°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 69.6%

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: $487 SGD|Low: $330 SGD|High: $1,651 SGD|Avg: $900 SGD|-0.3%
Retailer 1
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
Reve Diamonds
November 4, 2026
Retailer 6$330 SGD
Retailer 14$365 SGD
Retailer 1$487 SGD
Retailer 15$492 SGD
Retailer 11$610 SGD
Retailer 9$631 SGD
Retailer 5$644 SGD
Retailer 3$672 SGD
Retailer 13$939 SGD
Retailer 8$969 SGD
Retailer 2$1,181 SGD
Retailer 4$1,241 SGD
Retailer 7$1,242 SGD
Retailer 10$1,464 SGD
Retailer 12$1,508 SGD
Reve Diamonds$1,651 SGD

35 data points across 16 retailers

16 retailers$330 SGD to $1,651 SGD

A
Cheapest Retailer
-
$330 SGD
Final sale: no returns
Retailer 2
-
$365 SGD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$487 SGD
View
A
Retailer 4
-
$492 SGD
View
A
Retailer 5
-
$610 SGD
View
A
Retailer 6
-
$631 SGD
View
B+
Retailer 7
-
$644 SGD
View
B+
Retailer 8
-
$672 SGD
View
Retailer 9
-
$939 SGD
View
Price last confirmed 18 days ago
B+
Retailer 10
-
$969 SGD
View
B
Retailer 11
-
$1,181 SGD
View
B
Retailer 12
-
$1,242 SGD
View
B
Retailer 13
-
$1,266 SGD
View
B
Retailer 14
-
$1,464 SGD
View
B
Retailer 15
-
$1,508 SGD
View
Most Expensive
B
Reve Diamonds
006CAE70F · Nov 4
$1,651 SGD
$1,292 USD
View
15 more retailers have this diamond
Prices start from $330 SGDSave up to $1,321 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
1.21ct Radiant
$330 SGD