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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 $435 NZD
As of November 1, 2026
Save $2,191 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,626 NZD 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 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 $435 to $2,626, a $2,191 spread on the same certified stone. Brilliant Earth lists it at $2,626. 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

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 1
Current: $2,626 NZD|Low: $419 NZD|High: $3,246 NZD|Avg: $1,304 NZD|-19.1%
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 5, 2026
Retailer 15$435 NZD
Retailer 6$486 NZD
Retailer 4$539 NZD
Retailer 7$727 NZD
Retailer 9$823 NZD
Retailer 13$931 NZD
Retailer 2$970 NZD
Retailer 14$972 NZD
Retailer 5$1,238 NZD
Retailer 11$1,322 NZD
Retailer 12$1,373 NZD
Retailer 10$1,763 NZD
Retailer 8$2,079 NZD
Retailer 3$2,374 NZD
Brilliant Earth$2,626 NZD

35 data points across 15 retailers

15 retailers$435 NZD to $2,626 NZD

A
Cheapest Retailer
-
$435 NZD
A
Retailer 2
-
$486 NZD
View
Final sale: no returns
Retailer 3
-
$539 NZD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$727 NZD
View
A
Retailer 5
-
$823 NZD
View
A
Retailer 6
-
$931 NZD
View
A
Retailer 7
-
$970 NZD
View
A
Retailer 8
-
$972 NZD
View
B+
Retailer 9
-
$1,238 NZD
View
B+
Retailer 10
-
$1,322 NZD
View
B+
Retailer 11
-
$1,373 NZD
View
B+
Retailer 12
-
$1,763 NZD
View
B+
Retailer 13
-
$2,079 NZD
View
B
Retailer 14
-
$2,374 NZD
View
Most Expensive
B
Brilliant Earth
22465010A · Nov 3
$2,626 NZD
$1,480 USD
View
14 more retailers have this diamond
Prices start from $435 NZDSave up to $2,191 NZD

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
$435 NZD