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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG831692380

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

Certificate IGI LG831692380

Diamond specifications and retailer prices

From $270 SGD
As of November 2, 2026
Save $1,299 SGD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,568 SGD at Reve Diamonds · As of November 1, 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 very-good cut grade and certified by IGI LG831692380 or 831692380. Listed at 20 retailers as of November 1, 2026, with prices from $270 to $1,568, a $1,299 spread on the same certified stone. Reve Diamonds lists it at $1,568. 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
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831692380
Dimensions8.07 × 5.21 × 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
8.07 mm5.21 mm1.21 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831692380
Side View
Table 64.0%Crown 35.5°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 66.4%

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 2
Current: $896 SGD|Low: $270 SGD|High: $1,568 SGD|Avg: $799 SGD|-16.7%
Retailer 1
Retailer 2
Retailer 3
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Retailer 19
Reve Diamonds
November 3, 2026
Retailer 5$270 SGD
Retailer 4$300 SGD
Retailer 19$312 SGD
Retailer 7$334 SGD
Retailer 14$445 SGD
Retailer 18$561 SGD
Retailer 6$572 SGD
Retailer 15$575 SGD
Retailer 9$599 SGD
Retailer 12$616 SGD
Retailer 2$644 SGD
Retailer 13$815 SGD
Retailer 1$896 SGD
Retailer 10$923 SGD
Retailer 17$1,072 SGD
Retailer 8$1,084 SGD
Retailer 11$1,140 SGD
Retailer 16$1,337 SGD
Retailer 3$1,406 SGD
Reve Diamonds$1,568 SGD

8 data points across 20 retailers

20 retailers$270 SGD to $1,568 SGD

A
Cheapest Retailer
-
$270 SGD
A
Retailer 2
-
$300 SGD
View
Final sale: no returns
A
Retailer 3
-
$312 SGD
View
A
Retailer 4
-
$334 SGD
View
A
Retailer 5
-
$445 SGD
View
A
Retailer 6
-
$561 SGD
View
A
Retailer 7
-
$572 SGD
View
A
Retailer 8
-
$575 SGD
View
B+
Retailer 9
-
$599 SGD
View
A
Retailer 10
-
$616 SGD
View
B+
Retailer 11
-
$644 SGD
View
B+
Retailer 12
-
$815 SGD
View
B+
Retailer 13
-
$896 SGD
View
Retailer 14
-
$923 SGD
View
Price last confirmed 8 days ago
B
Retailer 15
-
$1,072 SGD
View
B
Retailer 16
-
$1,084 SGD
View
B
Retailer 17
-
$1,140 SGD
View
B
Retailer 18
-
$1,337 SGD
View
B
Retailer 19
-
$1,406 SGD
View
Most Expensive
B
Reve Diamonds
6D92BDA8B · Nov 1
$1,568 SGD
$1,227 USD
View
19 more retailers have this diamond
Prices start from $270 SGDSave up to $1,299 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
$270 SGD