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Radiant|Lab Grown|IGI

1.20ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG742543994

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

Certificate IGI LG742543994

Diamond specifications and retailer prices

From $300 SGD
$234 USD
As of October 28, 2026
Save $2,674 SGD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,974 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG742543994 or 742543994. Listed at 22 retailers as of October 28, 2026, with prices from $300 to $2,974, a $2,674 spread on the same certified stone. Brilliant Earth lists it at $2,974. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742543994
Dimensions7.53 × 5.24 × 3.57 mm
L/W Ratio1.44
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
7.53 mm5.24 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742543994
Side View
Table 64.0%Crown 43.9°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 68.1%

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: Oct 28
Current: $2,974 SGD|Low: $333 SGD|High: $3,116 SGD|Avg: $1,127 SGD|-4.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 3$333 SGD
Retailer 8$617 SGD
Retailer 10$630 SGD
Retailer 5$638 SGD
Retailer 11$678 SGD
Retailer 4$697 SGD
Retailer 6$906 SGD
Retailer 9$1,197 SGD
Retailer 2$1,496 SGD
Retailer 7$2,365 SGD
Brilliant Earth$2,974 SGD

41 data points across 11 retailers

22 retailers$300 SGD to $2,974 SGD

A
Cheapest Retailer
-
$300 SGD
$234 USD
A
Retailer 2
-
$333 SGD
$260 USD
View
Final sale: no returns
A
Retailer 3
-
$347 SGD
$271 USD
View
A
Retailer 4
-
$372 SGD
$290 USD
View
A
Retailer 5
-
$372 SGD
$290 USD
View
A
Retailer 6
-
$410 SGD
HK$2,500 HKD
View
A
Retailer 7
-
$617 SGD
€458 EUR
View
A
Retailer 8
-
$630 SGD
$491 USD
View
A
Retailer 9
-
$638 SGD
ZAR 8,038 ZAR
View
A
Retailer 10
-
$678 SGD
$529 USD
View
A
Retailer 11
-
$697 SGD
£428 GBP
View
A
Retailer 12
-
$906 SGD
A$1,087 AUD
View
B+
Retailer 13
-
$964 SGD
$752 USD
View
B+
Retailer 14
-
$1,194 SGD
$931 USD
View
B+
Retailer 15
-
$1,197 SGD
$934 USD
View
B+
Retailer 16
-
$1,200 SGD
View
B+
Retailer 17
-
$1,261 SGD
$983 USD
View
B+
Retailer 18
-
$1,446 SGD
£888 GBP
View
B+
Retailer 19
-
$1,496 SGD
£919 GBP
View
B
Retailer 20
-
$1,668 SGD
$1,301 USD
View
B
Retailer 21
-
$2,365 SGD
$1,845 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
19055591A · Oct 28
$2,974 SGD
$2,320 USD
View
21 more retailers have this diamond
Prices start from $300 SGDSave up to $2,674 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
$300 SGD