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Round|Lab Grown|IGI

1.20ct D IF Round Lab Grown Diamond

EX • D/IF • IGI LG839608224

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839608224

Diamond specifications and retailer prices

From $350 AUD
$245 USD
As of November 1, 2026
Save $2,019 AUD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,369 AUD at Brilliant Earth · As of November 2, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839608224 or 839608224. Listed at 15 retailers as of November 1, 2026, with prices from $350 to $2,369, a $2,019 spread on the same certified stone. Brilliant Earth lists it at $2,369. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839608224
Dimensions6.83 × 6.80 × 4.13 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.83 mm6.80 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839608224
Side View
Table 58.0%Crown 33.2°Girdle: Slightly ThickPavilion 40.4°Culet: NoneDepth 60.6%

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 1
Current: $2,369 AUD|Low: $337 AUD|High: $2,611 AUD|Avg: $1,053 AUD|-9.3%
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
November 3, 2026
Retailer 14$350 AUD
Retailer 5$391 AUD
Retailer 3$434 AUD
Retailer 7$585 AUD
Retailer 10$689 AUD
Retailer 11$750 AUD
Retailer 13$782 AUD
Retailer 8$814 AUD
Retailer 4$996 AUD
Retailer 2$1,064 AUD
Retailer 9$1,104 AUD
Retailer 6$1,470 AUD
Retailer 12$1,740 AUD
Retailer 15$1,910 AUD
Brilliant Earth$2,369 AUD

33 data points across 15 retailers

15 retailers$350 AUD to $2,369 AUD

A
Cheapest Retailer
-
$350 AUD
$245 USD
A
Retailer 2
-
$391 AUD
$274 USD
View
Final sale: no returns
Retailer 3
-
$434 AUD
$304 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$585 AUD
$410 USD
View
A
Retailer 5
-
$689 AUD
£380 GBP
View
A
Retailer 6
-
$750 AUD
ZAR 8,489 ZAR
View
A
Retailer 7
-
$782 AUD
€522 EUR
View
A
Retailer 8
-
$814 AUD
£449 GBP
View
B+
Retailer 9
-
$996 AUD
$698 USD
View
B+
Retailer 10
-
$1,064 AUD
View
B+
Retailer 11
-
$1,104 AUD
$774 USD
View
B
Retailer 12
-
$1,470 AUD
$1,030 USD
View
B+
Retailer 13
-
$1,740 AUD
£960 GBP
View
B
Retailer 14
-
$1,910 AUD
$1,339 USD
View
Most Expensive
B
Brilliant Earth
21662127A · Nov 2
$2,369 AUD
$1,660 USD
View
14 more retailers have this diamond
Prices start from $350 AUDSave up to $2,019 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
$350 AUD