CaratHunter
Plans
Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG828688726

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

Certificate IGI LG828688726

Diamond specifications and retailer prices

From $279 SGD
As of November 4, 2026
Save $1,996 SGD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,275 SGD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 LG828688726 or 828688726. Listed at 18 retailers as of November 4, 2026, with prices from $279 to $2,275, a $1,996 spread on the same certified stone. Brilliant Earth lists it at $2,275. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828688726
Dimensions7.54 × 5.37 × 3.58 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.54 mm5.37 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828688726
Side View
Table 65.0%Crown 47°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 66.7%

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: $2,275 SGD|Low: $279 SGD|High: $2,543 SGD|Avg: $915 SGD|-10.6%
Brilliant Earth
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
November 4, 2026
Retailer 10$279 SGD
Retailer 14$288 SGD
Retailer 2$350 SGD
Retailer 11$415 SGD
Retailer 5$533 SGD
Retailer 12$556 SGD
Retailer 3$566 SGD
Retailer 8$722 SGD
Retailer 4$754 SGD
Retailer 7$813 SGD
Retailer 15$993 SGD
Retailer 17$1,003 SGD
Retailer 13$1,038 SGD
Retailer 16$1,057 SGD
Retailer 9$1,374 SGD
Retailer 6$1,445 SGD
Brilliant Earth$2,275 SGD

22 data points across 17 retailers

18 retailers$279 SGD to $2,275 SGD

A
Cheapest Retailer
-
$279 SGD
Final sale: no returns
A
Retailer 2
-
$288 SGD
View
A
Retailer 3
-
$350 SGD
View
B+
Retailer 4
-
$415 SGD
View
A
Retailer 5
-
$533 SGD
View
A
Retailer 6
-
$556 SGD
View
A
Retailer 7
-
$566 SGD
View
A
Retailer 8
-
$722 SGD
View
B+
Retailer 9
-
$754 SGD
View
B+
Retailer 10
-
$813 SGD
View
B+
Retailer 11
-
$993 SGD
View
B+
Retailer 12
-
$1,003 SGD
View
B+
Retailer 13
-
$1,038 SGD
View
B+
Retailer 14
-
$1,057 SGD
View
Retailer 15
-
$1,242 SGD
View
Price last confirmed 27 days ago
Retailer 16
-
$1,374 SGD
View
Price last confirmed 17 days ago
B+
Retailer 17
-
$1,445 SGD
View
Most Expensive
B
Brilliant Earth
21325021A · Nov 4
$2,275 SGD
$1,780 USD
View
17 more retailers have this diamond
Prices start from $279 SGDSave up to $1,996 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
$279 SGD