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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG787630559

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

Certificate IGI LG787630559

Diamond specifications and retailer prices

From $290 SGD
As of November 1, 2026
Save $1,168 SGD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,458 SGD at Reve Diamonds · As of November 1, 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 LG787630559 or 787630559. Listed at 14 retailers as of November 1, 2026, with prices from $290 to $1,458, a $1,168 spread on the same certified stone. Reve Diamonds lists it at $1,458. 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 angle21.1°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787630559
Dimensions7.43 × 5.20 × 3.50 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm5.20 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787630559
Side View
Table 65.0%Crown 21.1°Girdle: MediumPavilion 32.3°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $525 SGD|Low: $225 SGD|High: $1,458 SGD|Avg: $659 SGD|+4.8%
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 3, 2026
Retailer 13$234 SGD
Retailer 7$261 SGD
Retailer 3$272 SGD
Retailer 4$290 SGD
Retailer 14$290 SGD
Retailer 11$479 SGD
Retailer 9$501 SGD
Retailer 2$514 SGD
Retailer 1$525 SGD
Retailer 5$702 SGD
Retailer 8$709 SGD
Retailer 15$934 SGD
Retailer 12$987 SGD
Retailer 6$1,003 SGD
Retailer 10$1,360 SGD
Reve Diamonds$1,458 SGD

44 data points across 16 retailers

14 retailers$290 SGD to $1,458 SGD

Retailer 1
-
$290 SGD
Price last confirmed 11 days ago
A
Retailer 2
-
$290 SGD
View
A
Retailer 3
-
$479 SGD
View
A
Retailer 4
-
$501 SGD
View
A
Retailer 5
-
$514 SGD
View
A
Retailer 6
-
$525 SGD
View
A
Retailer 7
-
$588 SGD
View
B+
Retailer 8
-
$702 SGD
View
B+
Retailer 9
-
$709 SGD
View
B+
Retailer 10
-
$934 SGD
View
B+
Retailer 11
-
$987 SGD
View
B+
Retailer 12
-
$1,003 SGD
View
B
Retailer 13
-
$1,360 SGD
View
Most Expensive
B
Reve Diamonds
6114E3983 · Nov 1
$1,458 SGD
$1,141 USD
View
13 more retailers have this diamond
Prices start from $290 SGDSave up to $1,168 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
$290 SGD