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Round|Lab Grown|IGI

1.02ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG813675051

Shape and cutting style on the report: Round brilliant

Certificate IGI LG813675051

Diamond specifications and retailer prices

From $539 NZD
As of November 3, 2026
Save $2,644 NZD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,183 NZD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.02ct lab-grown round diamond

This 1.02ct 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 LG813675051 or 813675051. Listed at 24 retailers as of November 3, 2026, with prices from $539 to $3,183, a $2,644 spread on the same certified stone. Brilliant Earth lists it at $3,183. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813675051
Dimensions6.50 × 6.53 × 3.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.50 mm6.53 mm1.02 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813675051
Side View
Table 57.0%Crown 33.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.8%

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 3
Current: $3,183 NZD|Low: $539 NZD|High: $3,680 NZD|Avg: $1,424 NZD|-13.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
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Retailer 17
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Retailer 22
Retailer 23
November 4, 2026
Retailer 9$539 NZD
Retailer 19$603 NZD
Retailer 6$624 NZD
Retailer 3$669 NZD
Retailer 8$669 NZD
Retailer 4$727 NZD
Retailer 10$898 NZD
Retailer 22$942 NZD
Retailer 5$983 NZD
Retailer 17$1,072 NZD
Retailer 18$1,150 NZD
Retailer 13$1,170 NZD
Retailer 7$1,227 NZD
Retailer 16$1,245 NZD
Retailer 21$1,618 NZD
Retailer 2$1,641 NZD
Retailer 23$1,780 NZD
Retailer 12$1,782 NZD
Retailer 14$2,146 NZD
Retailer 15$2,230 NZD
Retailer 20$2,674 NZD
Retailer 11$2,704 NZD
Brilliant Earth$3,183 NZD

37 data points across 23 retailers

24 retailers$539 NZD to $3,183 NZD

A
Cheapest Retailer
-
$539 NZD
A
Retailer 2
-
$603 NZD
View
Final sale: no returns
A
Retailer 3
-
$624 NZD
View
Retailer 4
-
$669 NZD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$669 NZD
View
A
Retailer 6
-
$727 NZD
View
A
Retailer 7
-
$898 NZD
View
A
Retailer 8
-
$942 NZD
View
B+
Retailer 9
-
$983 NZD
View
B+
Retailer 10
-
$1,072 NZD
View
B+
Retailer 11
-
$1,150 NZD
View
B+
Retailer 12
-
$1,170 NZD
View
B+
Retailer 13
-
$1,227 NZD
View
B+
Retailer 14
-
$1,245 NZD
View
B+
Retailer 15
-
$1,618 NZD
View
B+
Retailer 16
-
$1,641 NZD
View
Retailer 17
-
$1,780 NZD
View
Price last confirmed 10 days ago
B
Retailer 18
-
$1,782 NZD
View
B
Retailer 19
-
$2,146 NZD
View
B
Retailer 20
-
$2,230 NZD
View
B
Retailer 21
-
$2,674 NZD
View
B
Retailer 22
-
$2,704 NZD
View
Retailer 23
-
$3,115 NZD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
20729516A · Nov 3
$3,183 NZD
$1,790 USD
View
23 more retailers have this diamond
Prices start from $539 NZDSave up to $2,644 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
1.02ct Round
$539 NZD