CaratHunter
Plans
Radiant|Lab Grown|IGI

1.21ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG539225586

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

Certificate IGI LG539225586

Diamond specifications and retailer prices

From $299 SGD
As of November 4, 2026
Save $1,171 SGD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,470 SGD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 LG539225586 or 539225586. Listed at 16 retailers as of November 4, 2026, with prices from $299 to $1,470, a $1,171 spread on the same certified stone. Brilliant Earth lists it at $1,470. 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 angle37.2°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539225586
Dimensions7.40 × 5.49 × 3.63 mm
L/W Ratio1.35
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
7.40 mm5.49 mm1.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539225586
Side View
Table 64.5%Crown 37.2°Girdle: MediumPavilion 35.6°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,470 SGD|Low: $299 SGD|High: $1,508 SGD|Avg: $820 SGD|-2.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 11$299 SGD
Retailer 9$332 SGD
Retailer 6$572 SGD
Retailer 8$572 SGD
Retailer 2$607 SGD
Retailer 10$739 SGD
Retailer 5$811 SGD
Retailer 7$1,071 SGD
Retailer 3$1,305 SGD
Retailer 4$1,326 SGD
Brilliant Earth$1,470 SGD

41 data points across 11 retailers

16 retailers$299 SGD to $1,470 SGD

Retailer 1
-
$257 SGD
Price last confirmed 34 days ago
A
Retailer 2
-
$299 SGD
View
Final sale: no returns
Retailer 3
-
$311 SGD
View
Price last confirmed 39 days ago
Retailer 4
-
$332 SGD
View
Price last confirmed 33 days ago
A
Retailer 5
-
$570 SGD
View
A
Retailer 6
-
$572 SGD
View
A
Retailer 7
-
$572 SGD
View
A
Retailer 8
-
$607 SGD
View
B+
Retailer 9
-
$739 SGD
View
B+
Retailer 10
-
$811 SGD
View
B+
Retailer 11
-
$855 SGD
View
Retailer 12
-
$1,067 SGD
View
Price last confirmed 36 days ago
B
Retailer 13
-
$1,071 SGD
View
B
Retailer 14
-
$1,135 SGD
View
B
Retailer 15
-
$1,326 SGD
View
Most Expensive
B
Brilliant Earth
6168464A · Nov 4
$1,470 SGD
$1,150 USD
View
15 more retailers have this diamond
Prices start from $299 SGDSave up to $1,171 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
$299 SGD