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Radiant|Lab Grown|IGI

1.21ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG616403070

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

Certificate IGI LG616403070

Diamond specifications and retailer prices

From $902 SGD
As of October 30, 2026
Save $5 SGD (1%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,879 SGD at Do Amore Diamonds · As of October 29, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG616403070 or 616403070. Listed at 11 retailers as of October 29, 2026, with a relatively tight 1% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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 angle43.7°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG616403070
Dimensions7.47 × 5.23 × 3.59 mm
L/W Ratio1.43
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
7.47 mm5.23 mm1.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG616403070
Side View
Table 61.0%Crown 43.7°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 68.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,879 SGD|Low: $192 SGD|High: $1,917 SGD|Avg: $834 SGD|-2.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8$196 SGD
Retailer 6$226 SGD
Retailer 2$328 SGD
Retailer 11$442 SGD
Retailer 5$650 SGD
Retailer 7$822 SGD
Retailer 9$859 SGD
Retailer 3$902 SGD
Retailer 10$907 SGD
Retailer 4$1,251 SGD
Do Amore Diamonds$1,879 SGD

27 data points across 11 retailers

11 retailers$902 SGD to $907 SGD

Retailer 1
-
$196 SGD
Price last confirmed 9 days ago
Retailer 2
-
$226 SGD
View
Price last confirmed 8 days ago
Retailer 3
-
$328 SGD
View
Price last confirmed 7 days ago
Retailer 4
-
$442 SGD
View
Price last confirmed 8 days ago
Retailer 5
-
$650 SGD
View
Price last confirmed 10 days ago
Retailer 6
-
$822 SGD
View
Price last confirmed 10 days ago
Retailer 7
-
$859 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$902 SGD
View
B+
Retailer 9
-
$907 SGD
View
Retailer 10
-
$1,251 SGD
View
Price last confirmed 10 days ago
Most Expensive
Do Amore Diamonds
27-1FA991EBE · Oct 29
$1,879 SGD
$1,470 USD
View
Price last confirmed 7 days ago
10 more retailers have this diamond
Prices start from $902 SGDSave up to $5 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.

B+
1.21ct Radiant
$902 SGD