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Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG729520612

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

Certificate IGI LG729520612

Diamond specifications and retailer prices

From $373 SGD
As of November 4, 2026
Save $3,256 SGD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,629 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 LG729520612 or 729520612. Listed at 24 retailers as of November 4, 2026, with prices from $373 to $3,629, a $3,256 spread on the same certified stone. Do Amore Diamonds lists it at $3,629. 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 angle48.6°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729520612
Dimensions5.30 × 5.30 × 3.34 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.30 mm5.30 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729520612
Side View
Table 62.0%Crown 48.6°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $580 SGD|Low: $358 SGD|High: $2,066 SGD|Avg: $1,075 SGD|-1.1%
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 3$373 SGD
Retailer 4$461 SGD
Retailer 1$580 SGD
Retailer 2$665 SGD
Retailer 8$879 SGD
Retailer 11$895 SGD
Retailer 7$901 SGD
Retailer 6$1,252 SGD
Retailer 10$1,343 SGD
Retailer 12$1,418 SGD
Retailer 13$1,420 SGD
Retailer 5$1,640 SGD
Retailer 9$2,042 SGD

38 data points across 13 retailers

24 retailers$373 SGD to $3,629 SGD

A
Cheapest Retailer
-
$373 SGD
A
Retailer 2
-
$417 SGD
View
Final sale: no returns
A
Retailer 3
-
$432 SGD
View
A
Retailer 4
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$461 SGD
View
Retailer 5
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$461 SGD
View
Price last confirmed 10 days ago
A
Retailer 6
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$579 SGD
View
A
Retailer 7
-
$580 SGD
View
A
Retailer 8
-
$617 SGD
View
A
Retailer 9
-
$665 SGD
View
A
Retailer 10
-
$665 SGD
View
B+
Retailer 11
-
$879 SGD
View
B+
Retailer 12
-
$895 SGD
View
B+
Retailer 13
-
$901 SGD
View
B+
Retailer 14
-
$1,252 SGD
View
B+
Retailer 15
-
$1,343 SGD
View
Retailer 16
-
$1,418 SGD
View
Price last confirmed 17 days ago
B
Retailer 17
-
$1,420 SGD
View
B
Retailer 18
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$1,640 SGD
View
B
Retailer 19
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$1,845 SGD
View
B
Retailer 20
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$1,893 SGD
View
B
Retailer 21
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$1,986 SGD
View
B
Retailer 22
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$2,042 SGD
View
B
Retailer 23
-
$3,310 SGD
View
Most Expensive
B
Do Amore Diamonds
23-729520612 · Nov 4
$3,629 SGD
$2,840 USD
View
23 more retailers have this diamond
Prices start from $373 SGDSave up to $3,256 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
$373 SGD