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Round|Lab Grown|IGI

1.20ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG573307262

Shape and cutting style on the report: Round brilliant

Certificate IGI LG573307262

Diamond specifications and retailer prices

From $397 AUD
As of November 6, 2026
Save $1,829 AUD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,227 AUD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG573307262 or 573307262. Listed at 20 retailers as of November 3, 2026, with prices from $397 to $2,227, a $1,829 spread on the same certified stone. Brilliant Earth lists it at $2,227. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG573307262
Dimensions6.86 × 6.84 × 4.19 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
6.86 mm6.84 mm1.20 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG573307262
Side View
Table 57.5%Crown 34°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 61.1%

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 6
Current: $2,227 AUD|Low: $397 AUD|High: $2,605 AUD|Avg: $1,035 AUD|-14.5%
Brilliant Earth
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 6$397 AUD
Retailer 7$412 AUD
Retailer 8$450 AUD
Retailer 3$594 AUD
Retailer 9$706 AUD
Retailer 2$745 AUD
Retailer 16$786 AUD
Retailer 10$790 AUD
Retailer 11$818 AUD
Retailer 4$918 AUD
Retailer 13$1,077 AUD
Retailer 14$1,118 AUD
Retailer 5$1,489 AUD
Retailer 15$1,534 AUD
Retailer 12$1,757 AUD
Brilliant Earth$2,227 AUD

41 data points across 16 retailers

20 retailers$397 AUD to $2,227 AUD

Retailer 1
-
$348 AUD
Price last confirmed 67 days ago
A
Retailer 2
-
$397 AUD
View
Final sale: no returns
A
Retailer 3
-
$412 AUD
View
Retailer 4
-
$450 AUD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$594 AUD
View
A
Retailer 6
-
$706 AUD
View
A
Retailer 7
-
$745 AUD
View
B+
Retailer 8
-
$786 AUD
View
B+
Retailer 9
-
$790 AUD
View
B+
Retailer 10
-
$818 AUD
View
B+
Retailer 11
-
$918 AUD
View
B+
Retailer 12
-
$1,077 AUD
View
B+
Retailer 13
-
$1,118 AUD
View
Retailer 14
-
$1,342 AUD
View
Price last confirmed 149 days ago
B
Retailer 15
-
$1,419 AUD
View
B
Retailer 16
-
$1,489 AUD
View
B
Retailer 17
-
$1,534 AUD
View
B
Retailer 18
-
$1,757 AUD
View
Retailer 19
-
$1,786 AUD
View
Price last confirmed 83 days ago
Most Expensive
B
Brilliant Earth
14223794A · Nov 3
$2,227 AUD
$1,530 USD
View
19 more retailers have this diamond
Prices start from $397 AUDSave up to $1,829 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 Round
$397 AUD