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Radiant|Lab Grown|IGI

1.21ct D VVS1 Radiant Lab Grown Diamond

GD • D/VVS1 • IGI LG623420555

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

Certificate IGI LG623420555

Diamond specifications and retailer prices

From $265 SGD
As of November 4, 2026
Save $2,278 SGD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,543 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 VVS1 clarity (very-very-slightly-included), with a standard cut grade and certified by IGI LG623420555 or 623420555. Listed at 21 retailers as of November 4, 2026, with prices from $265 to $2,543, a $2,278 spread on the same certified stone. Do Amore Diamonds lists it at $2,543. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
D
Colour
VVS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623420555
Dimensions7.65 × 5.23 × 3.55 mm
L/W Ratio1.46
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
7.65 mm5.23 mm1.21 ctD / VVS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623420555
Side View
Table 64.0%Crown 41.9°Girdle: MediumPavilion 37.7°Culet: NoneDepth 67.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $671 SGD|Low: $254 SGD|High: $2,454 SGD|Avg: $844 SGD|+3.6%
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
Retailer 16
Retailer 17
November 4, 2026
Retailer 4$265 SGD
Retailer 14$295 SGD
Retailer 3$308 SGD
Retailer 2$328 SGD
Retailer 17$328 SGD
Retailer 7$442 SGD
Retailer 9$525 SGD
Retailer 11$626 SGD
Retailer 1$671 SGD
Retailer 10$887 SGD
Retailer 16$1,061 SGD
Retailer 5$1,167 SGD
Retailer 6$1,214 SGD
Retailer 15$1,367 SGD
Retailer 8$1,421 SGD
Retailer 12$1,453 SGD
Retailer 13$2,402 SGD

44 data points across 17 retailers

21 retailers$265 SGD to $2,543 SGD

A
Cheapest Retailer
-
$265 SGD
A
Retailer 2
-
$295 SGD
View
Final sale: no returns
A
Retailer 3
-
$308 SGD
View
Retailer 4
-
$328 SGD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$328 SGD
View
B+
Retailer 6
-
$442 SGD
View
B+
Retailer 7
-
$525 SGD
View
B+
Retailer 8
-
$581 SGD
View
B+
Retailer 9
-
$626 SGD
View
B+
Retailer 10
-
$671 SGD
View
B+
Retailer 11
-
$887 SGD
View
B
Retailer 12
-
$1,061 SGD
View
B
Retailer 13
-
$1,167 SGD
View
Retailer 14
-
$1,214 SGD
View
Price last confirmed 27 days ago
Retailer 15
-
$1,367 SGD
View
Price last confirmed 17 days ago
B
Retailer 16
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$1,385 SGD
View
B
Retailer 17
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$1,421 SGD
View
B
Retailer 18
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$1,453 SGD
View
B
Retailer 19
-
$1,555 SGD
View
B
Retailer 20
-
$2,402 SGD
View
Most Expensive
B
Do Amore Diamonds
27-EBF7213F3 · Nov 4
$2,543 SGD
$1,990 USD
View
20 more retailers have this diamond
Prices start from $265 SGDSave up to $2,278 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
$265 SGD