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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 $334 AUD
As of November 4, 2026
Save $2,301 AUD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,636 AUD at Rare Carat · As of October 30, 2026
View at Rare Carat

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 30, 2026, with prices from $334 to $2,636, a $2,301 spread on the same certified stone. Rare Carat lists it at $2,636. 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
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: Nov 4
Current: $2,636 AUD|Low: $320 AUD|High: $3,471 AUD|Avg: $1,011 AUD|-1.6%
Rare Carat
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
November 6, 2026
Retailer 15$334 AUD
Retailer 8$371 AUD
Retailer 5$387 AUD
Retailer 6$414 AUD
Retailer 16$414 AUD
Retailer 12$687 AUD
Retailer 4$701 AUD
Retailer 11$714 AUD
Retailer 7$756 AUD
Retailer 2$773 AUD
Retailer 10$1,013 AUD
Retailer 3$1,330 AUD
Retailer 14$1,334 AUD
Retailer 9$1,651 AUD
Retailer 13$2,514 AUD
Rare Carat$2,636 AUD

46 data points across 16 retailers

22 retailers$334 AUD to $2,636 AUD

A
Cheapest Retailer
-
$334 AUD
A
Retailer 2
-
$371 AUD
View
Final sale: no returns
A
Retailer 3
-
$387 AUD
View
Retailer 4
-
$414 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$414 AUD
View
A
Retailer 6
-
$457 AUD
View
A
Retailer 7
-
$687 AUD
View
A
Retailer 8
-
$701 AUD
View
A
Retailer 9
-
$714 AUD
View
A
Retailer 10
-
$756 AUD
View
A
Retailer 11
-
$773 AUD
View
A
Retailer 12
-
$1,013 AUD
View
B+
Retailer 13
-
$1,074 AUD
View
B+
Retailer 14
-
$1,330 AUD
View
B+
Retailer 15
-
$1,334 AUD
View
B+
Retailer 16
-
$1,337 AUD
View
B+
Retailer 17
-
$1,404 AUD
View
B+
Retailer 18
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$1,610 AUD
View
B+
Retailer 19
-
$1,651 AUD
View
B
Retailer 20
-
$1,857 AUD
View
B
Retailer 21
-
$2,514 AUD
View
Most Expensive
B
Rare Carat
A2-315A · Oct 21
$2,636 AUD
$1,845 USD
View
21 more retailers have this diamond
Prices start from $334 AUDSave up to $2,301 AUD

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
$334 AUD