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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG620456864

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

Certificate IGI LG620456864

Diamond specifications and retailer prices

From $295 SGD
As of November 4, 2026
Save $2,529 SGD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,016 SGD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore 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 LG620456864 or 620456864. Listed at 19 retailers as of November 4, 2026, with a 857% 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

1.21
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620456864
Dimensions7.56 × 5.22 × 3.50 mm
L/W Ratio1.45
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
7.56 mm5.22 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620456864
Side View
Table 66.0%Crown 46.1°Girdle: MediumPavilion 35.9°Culet: NoneDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $762 SGD|Low: $282 SGD|High: $1,636 SGD|Avg: $745 SGD|+3.7%
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
November 5, 2026
Retailer 13$295 SGD
Retailer 6$330 SGD
Retailer 4$341 SGD
Retailer 2$365 SGD
Retailer 14$365 SGD
Retailer 12$489 SGD
Retailer 9$695 SGD
Retailer 1$762 SGD
Retailer 5$768 SGD
Retailer 10$978 SGD
Retailer 8$987 SGD
Retailer 11$1,178 SGD
Retailer 3$1,296 SGD
Retailer 7$1,611 SGD

44 data points across 14 retailers

19 retailers$295 SGD to $2,824 SGD

A
Cheapest Retailer
-
$295 SGD
A
Retailer 2
-
$330 SGD
View
Final sale: no returns
A
Retailer 3
-
$341 SGD
View
Retailer 4
-
$365 SGD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$365 SGD
View
A
Retailer 6
-
$470 SGD
View
A
Retailer 7
-
$489 SGD
View
A
Retailer 8
-
$695 SGD
View
B+
Retailer 9
-
$762 SGD
View
B+
Retailer 10
-
$768 SGD
View
Retailer 11
-
$978 SGD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$987 SGD
View
B
Retailer 13
-
$1,178 SGD
View
B
Retailer 14
-
$1,296 SGD
View
B
Retailer 15
-
$1,513 SGD
View
B
Retailer 16
-
$1,611 SGD
View
B
Retailer 17
-
$1,647 SGD
View
Retailer 18
-
$2,824 SGD
View
Most Expensive
Do Amore Diamonds
23-620456864 · Nov 4
$3,016 SGD
$2,360 USD
View
Price under review
18 more retailers have this diamond
Prices start from $295 SGDSave up to $2,529 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
$295 SGD