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Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG805626650

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

Certificate IGI LG805626650

Diamond specifications and retailer prices

From $323 SGD
As of November 4, 2026
Save $2,463 SGD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,786 SGD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG805626650 or 805626650. Listed at 21 retailers as of November 4, 2026, with prices from $323 to $2,786, a $2,463 spread on the same certified stone. Do Amore Diamonds lists it at $2,786. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805626650
Dimensions7.76 × 5.46 × 3.61 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.76 mm5.46 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805626650
Side View
Table 63.0%Crown 29.5°Girdle: MediumPavilion 34.4°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
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: $746 SGD|Low: $323 SGD|High: $2,594 SGD|Avg: $1,020 SGD|+3.5%
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
November 4, 2026
Retailer 4$323 SGD
Retailer 13$482 SGD
Retailer 9$684 SGD
Retailer 1$746 SGD
Retailer 3$767 SGD
Retailer 5$827 SGD
Retailer 6$970 SGD
Retailer 12$1,159 SGD
Retailer 11$1,380 SGD
Retailer 10$1,493 SGD
Retailer 7$1,567 SGD
Retailer 8$1,588 SGD
Retailer 2$2,517 SGD

44 data points across 13 retailers

21 retailers$323 SGD to $2,786 SGD

Retailer 1
-
$290 SGD
Price last confirmed 18 days ago
A
Retailer 2
-
$323 SGD
View
Final sale: no returns
Retailer 3
-
$336 SGD
View
Price last confirmed 21 days ago
Retailer 4
-
$359 SGD
View
Price last confirmed 19 days ago
Retailer 5
-
$359 SGD
View
Price last confirmed 32 days ago
B+
Retailer 6
-
$482 SGD
View
A
Retailer 7
-
$647 SGD
View
A
Retailer 8
-
$684 SGD
View
B+
Retailer 9
-
$746 SGD
View
B+
Retailer 10
-
$767 SGD
View
B+
Retailer 11
-
$827 SGD
View
B+
Retailer 12
-
$970 SGD
View
B+
Retailer 13
-
$1,159 SGD
View
Retailer 14
-
$1,274 SGD
View
Price last confirmed 19 days ago
Retailer 15
-
$1,380 SGD
View
Price last confirmed 17 days ago
B
Retailer 16
-
$1,493 SGD
View
B
Retailer 17
-
$1,493 SGD
View
B
Retailer 18
-
$1,567 SGD
View
B
Retailer 19
-
$1,588 SGD
View
B
Retailer 20
-
$1,632 SGD
View
Most Expensive
B
Do Amore Diamonds
27-0CFF8A523 · Nov 4
$2,786 SGD
$2,180 USD
View
20 more retailers have this diamond
Prices start from $323 SGDSave up to $2,463 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
1.28ct Radiant
$323 SGD