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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 $328 CAD
$234 USD
As of October 30, 2026
Save $2,920 CAD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,247 CAD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $328 to $3,247, a $2,920 spread on the same certified stone. Brilliant Earth lists it at $3,247. 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
Color
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 30
Current: $3,247 CAD|Low: $364 CAD|High: $3,401 CAD|Avg: $1,231 CAD|-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 30, 2026
Retailer 3$364 CAD
Retailer 8$673 CAD
Retailer 10$687 CAD
Retailer 5$696 CAD
Retailer 11$740 CAD
Retailer 2$765 CAD
Retailer 6$989 CAD
Retailer 9$1,307 CAD
Retailer 4$1,634 CAD
Retailer 7$2,582 CAD
Brilliant Earth$3,247 CAD

42 data points across 11 retailers

22 retailers$328 CAD to $3,247 CAD

A
Cheapest Retailer
-
$328 CAD
$234 USD
A
Retailer 2
-
$364 CAD
$260 USD
View
Final sale: no returns
A
Retailer 3
-
$379 CAD
$271 USD
View
A
Retailer 4
-
$406 CAD
$290 USD
View
A
Retailer 5
-
$406 CAD
$290 USD
View
A
Retailer 6
-
$448 CAD
HK$2,500 HKD
View
A
Retailer 7
-
$673 CAD
€458 EUR
View
A
Retailer 8
-
$687 CAD
$491 USD
View
A
Retailer 9
-
$696 CAD
ZAR 8,038 ZAR
View
A
Retailer 10
-
$740 CAD
$529 USD
View
A
Retailer 11
-
$765 CAD
£430 GBP
View
A
Retailer 12
-
$989 CAD
A$1,087 AUD
View
B+
Retailer 13
-
$1,052 CAD
$752 USD
View
B+
Retailer 14
-
$1,303 CAD
$931 USD
View
B+
Retailer 15
-
$1,307 CAD
$934 USD
View
B+
Retailer 16
-
$1,310 CAD
SGD 1,265 SGD
View
B+
Retailer 17
-
$1,376 CAD
$983 USD
View
B+
Retailer 18
-
$1,578 CAD
£888 GBP
View
B+
Retailer 19
-
$1,634 CAD
£919 GBP
View
B
Retailer 20
-
$1,820 CAD
$1,301 USD
View
Retailer 21
-
$2,582 CAD
$1,845 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
19055591A · Oct 29
$3,247 CAD
$2,320 USD
View
21 more retailers have this diamond
Prices start from $328 CADSave up to $2,920 CAD

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
$328 CAD