Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG743574650

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

Certificate IGI LG743574650

Diamond specifications and retailer prices

From $253 SGD
As of November 4, 2026
Save $2,712 SGD (91%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $2,965 SGD at Yadav Diamonds · As of November 4, 2026
View at Yadav 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 LG743574650 or 743574650. Listed at 28 retailers as of November 4, 2026, with prices from $253 to $2,965, a $2,712 spread on the same certified stone. Yadav Diamonds lists it at $2,965. 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 angle39.8°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743574650
Dimensions7.67 × 5.46 × 3.67 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.67 mm5.46 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743574650
Side View
Table 65.0%Crown 39.8°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 67.2%

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: $638 SGD|Low: $243 SGD|High: $2,543 SGD|Avg: $910 SGD|+3.7%
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
Retailer 18
November 4, 2026
Retailer 3$253 SGD
Retailer 8$294 SGD
Retailer 4$314 SGD
Retailer 9$314 SGD
Retailer 16$560 SGD
Retailer 13$598 SGD
Retailer 1$638 SGD
Retailer 10$726 SGD
Retailer 12$847 SGD
Retailer 18$1,013 SGD
Retailer 5$1,114 SGD
Retailer 11$1,145 SGD
Retailer 6$1,269 SGD
Retailer 17$1,361 SGD
Retailer 2$1,362 SGD
Retailer 14$1,389 SGD
Retailer 7$1,674 SGD
Retailer 15$2,543 SGD

44 data points across 18 retailers

28 retailers$253 SGD to $2,965 SGD

A
Cheapest Retailer
-
$253 SGD
A
Retailer 2
-
$282 SGD
View
Final sale: no returns
A
Retailer 3
-
$294 SGD
View
Retailer 4
-
$314 SGD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$314 SGD
View
B+
Retailer 6
-
$422 SGD
View
A
Retailer 7
-
$560 SGD
View
A
Retailer 8
-
$598 SGD
View
A
Retailer 9
-
$638 SGD
View
A
Retailer 10
-
$639 SGD
View
B+
Retailer 11
-
$726 SGD
View
B+
Retailer 12
-
$847 SGD
View
B+
Retailer 13
-
$1,013 SGD
View
B+
Retailer 14
-
$1,114 SGD
View
B+
Retailer 15
-
$1,145 SGD
View
B+
Retailer 16
-
$1,149 SGD
View
B+
Retailer 17
-
$1,269 SGD
View
B
Retailer 18
-
$1,334 SGD
View
Retailer 19
-
$1,361 SGD
View
Price last confirmed 17 days ago
B
Retailer 20
-
$1,362 SGD
View
B+
Retailer 21
-
$1,389 SGD
View
B
Retailer 22
-
$1,518 SGD
View
B
Retailer 23
-
$1,674 SGD
View
B
Retailer 24
-
$2,160 SGD
View
B
Retailer 25
-
$2,160 SGD
View
B
Retailer 26
-
$2,428 SGD
View
B
Retailer 27
-
$2,543 SGD
View
Most Expensive
B
Yadav Diamonds
13210009 · Nov 4
$2,965 SGD
$2,320 USD
View
27 more retailers have this diamond
Prices start from $253 SGDSave up to $2,712 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
$253 SGD