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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

GD • D/VS1 • IGI LG846667340

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

Certificate IGI LG846667340

Diamond specifications and retailer prices

From $227 SGD
As of October 30, 2026
Save $1,207 SGD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,434 SGD at Reve Diamonds · As of October 30, 2026
View at Reve 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 standard cut grade and certified by IGI LG846667340 or 846667340. Listed at 17 retailers as of October 30, 2026, with prices from $227 to $1,434, a $1,207 spread on the same certified stone. Reve Diamonds lists it at $1,434. 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
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846667340
Dimensions7.71 × 4.98 × 3.46 mm
L/W Ratio1.55
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm4.98 mm1.21 ctD / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846667340
Side View
Table 65.0%Crown 39.6°Girdle: MediumPavilion 32.1°Culet: NoneDepth 69.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $498 SGD|Low: $227 SGD|High: $1,434 SGD|Avg: $623 SGD
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
Reve Diamonds
October 31, 2026
Retailer 13$227 SGD
Retailer 3$254 SGD
Retailer 8$263 SGD
Retailer 5$281 SGD
Retailer 17$281 SGD
Retailer 10$377 SGD
Retailer 2$390 SGD
Retailer 12$483 SGD
Retailer 1$498 SGD
Retailer 11$505 SGD
Retailer 16$585 SGD
Retailer 7$598 SGD
Retailer 14$686 SGD
Retailer 4$905 SGD
Retailer 15$956 SGD
Retailer 9$974 SGD
Retailer 6$1,318 SGD
Reve Diamonds$1,434 SGD

8 data points across 18 retailers

17 retailers$227 SGD to $1,434 SGD

A
Cheapest Retailer
-
$227 SGD
Retailer 2
-
$263 SGD
View
Price last confirmed 8 days ago
Retailer 3
-
$281 SGD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$281 SGD
View
A
Retailer 5
-
$377 SGD
View
B+
Retailer 6
-
$390 SGD
View
Retailer 7
-
$483 SGD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$498 SGD
View
B+
Retailer 9
-
$505 SGD
View
B+
Retailer 10
-
$585 SGD
View
B+
Retailer 11
-
$598 SGD
View
Retailer 12
-
$686 SGD
View
Price last confirmed 10 days ago
Retailer 13
-
$905 SGD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$956 SGD
View
B
Retailer 15
-
$974 SGD
View
Retailer 16
-
$1,318 SGD
View
Price last confirmed 10 days ago
Most Expensive
B
Reve Diamonds
36A11B55A · Oct 30
$1,434 SGD
$1,122 USD
View
16 more retailers have this diamond
Prices start from $227 SGDSave up to $1,207 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
$227 SGD