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Radiant|Lab Grown|IGI

1.20ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG731587272

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

Certificate IGI LG731587272

Diamond specifications and retailer prices

From $225 SGD
As of November 2, 2026
Save $1,411 SGD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,636 SGD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown radiant diamond

This 1.2ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG731587272 or 731587272. Listed at 15 retailers as of November 2, 2026, with prices from $225 to $1,636, a $1,411 spread on the same certified stone. Do Amore Diamonds lists it at $1,636. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731587272
Dimensions7.78 × 5.23 × 3.48 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.23 mm1.20 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731587272
Side View
Table 64.0%Crown 39.5°Girdle: MediumPavilion 34.5°Culet: NoneDepth 66.5%

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: $1,636 SGD|Low: $225 SGD|High: $1,792 SGD|Avg: $827 SGD
Do Amore Diamonds
Retailer 2
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Retailer 22
November 5, 2026
Retailer 19$225 SGD
Retailer 5$250 SGD
Retailer 4$261 SGD
Retailer 21$279 SGD
Retailer 10$351 SGD
Retailer 7$368 SGD
Retailer 16$409 SGD
Retailer 3$493 SGD
Retailer 20$530 SGD
Retailer 2$555 SGD
Retailer 8$620 SGD
Retailer 11$671 SGD
Retailer 17$722 SGD
Retailer 18$749 SGD
Retailer 9$875 SGD
Retailer 22$989 SGD
Retailer 6$1,209 SGD
Retailer 13$1,434 SGD
Retailer 14$1,588 SGD
Retailer 15$1,600 SGD
Do Amore Diamonds$1,636 SGD
Retailer 12$1,792 SGD

7 data points across 22 retailers

15 retailers$225 SGD to $1,636 SGD

A
Cheapest Retailer
-
$225 SGD
A
Retailer 2
-
$250 SGD
View
Final sale: no returns
A
Retailer 3
-
$261 SGD
View
A
Retailer 4
-
$279 SGD
View
B+
Retailer 5
-
$368 SGD
View
A
Retailer 6
-
$409 SGD
View
A
Retailer 7
-
$493 SGD
View
A
Retailer 8
-
$530 SGD
View
A
Retailer 9
-
$555 SGD
View
B+
Retailer 10
-
$722 SGD
View
B+
Retailer 11
-
$749 SGD
View
B+
Retailer 12
-
$989 SGD
View
B
Retailer 13
-
$1,209 SGD
View
B
Retailer 14
-
$1,434 SGD
View
Most Expensive
B
Do Amore Diamonds
34-DB223-20D · Nov 4
$1,636 SGD
$1,280 USD
View
14 more retailers have this diamond
Prices start from $225 SGDSave up to $1,411 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
1.20ct Radiant
$225 SGD