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Radiant|Lab Grown|IGI

1.21ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG570363543

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

Certificate IGI LG570363543

Diamond specifications and retailer prices

From $203 SGD
As of November 4, 2026
Save $1,121 SGD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,324 SGD at Flawless Fine Jewelry · As of November 4, 2026
View at Flawless Fine Jewelry

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG570363543 or 570363543. Listed at 18 retailers as of November 4, 2026, with prices from $203 to $1,324, a $1,121 spread on the same certified stone. Flawless Fine Jewelry lists it at $1,324. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.7°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570363543
Dimensions7.06 × 5.25 × 3.60 mm
L/W Ratio1.34
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
7.06 mm5.25 mm1.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570363543
Side View
Table 65.5%Crown 47.7°Girdle: MediumPavilion 31.3°Culet: NoneDepth 68.6%

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: $1,324 SGD|Low: $160 SGD|High: $1,363 SGD|Avg: $546 SGD|-2.9%
Flawless Fine Jewelry
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 14$203 SGD
Retailer 4$236 SGD
Retailer 8$236 SGD
Retailer 6$252 SGD
Retailer 15$252 SGD
Retailer 9$294 SGD
Retailer 12$426 SGD
Retailer 11$434 SGD
Retailer 3$456 SGD
Retailer 16$507 SGD
Retailer 5$547 SGD
Retailer 7$572 SGD
Retailer 10$615 SGD
Retailer 17$811 SGD
Retailer 13$856 SGD
Retailer 2$1,176 SGD
Flawless Fine Jewelry$1,324 SGD

28 data points across 17 retailers

18 retailers$203 SGD to $1,324 SGD

A
Cheapest Retailer
-
$203 SGD
A
Retailer 2
-
$236 SGD
View
Final sale: no returns
A
Retailer 3
-
$236 SGD
View
Retailer 4
-
$252 SGD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$252 SGD
View
A
Retailer 6
-
$294 SGD
View
A
Retailer 7
-
$426 SGD
View
A
Retailer 8
-
$434 SGD
View
B+
Retailer 9
-
$456 SGD
View
Retailer 10
-
$507 SGD
View
Price last confirmed 31 days ago
A
Retailer 11
-
$547 SGD
View
A
Retailer 12
-
$572 SGD
View
A
Retailer 13
-
$615 SGD
View
B+
Retailer 14
-
$667 SGD
View
B+
Retailer 15
-
$811 SGD
View
B
Retailer 16
-
$856 SGD
View
B
Retailer 17
-
$1,176 SGD
View
Most Expensive
B
Flawless Fine Jewelry
867B905EA · Nov 4
$1,324 SGD
£816 GBP
View
17 more retailers have this diamond
Prices start from $203 SGDSave up to $1,121 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
$203 SGD