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8.03ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG588377670

Shape and cutting style on the report: Round brilliant

Certificate IGI LG588377670

Diamond specifications and retailer prices

From $1,729 NZD
$973 USD
As of November 1, 2026
Save $7,548 NZD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,278 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 8.03ct lab-grown round diamond

This 8.03ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG588377670 or 588377670. Listed at 13 retailers as of November 1, 2026, with prices from $1,729 to $9,278, a $7,548 spread on the same certified stone. Brilliant Earth lists it at $9,278. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

8.03
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588377670
Dimensions12.87 × 12.83 × 7.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.87 mm12.83 mm8.03 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588377670
Side View
Table 58.0%Crown 35.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $9,278 NZD|Low: $1,385 NZD|High: $9,562 NZD|Avg: $3,663 NZD|-3.0%
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 3, 2026
Retailer 7$1,385 NZD
Retailer 3$1,729 NZD
Retailer 11$1,882 NZD
Retailer 4$2,007 NZD
Retailer 14$2,007 NZD
Retailer 13$2,040 NZD
Retailer 5$2,970 NZD
Retailer 9$3,084 NZD
Retailer 6$3,165 NZD
Retailer 15$3,244 NZD
Retailer 10$3,292 NZD
Retailer 16$3,761 NZD
Retailer 12$4,324 NZD
Retailer 2$6,805 NZD
Retailer 8$7,859 NZD
Brilliant Earth$9,278 NZD

24 data points across 16 retailers

13 retailers$1,729 NZD to $9,278 NZD

A
Cheapest Retailer
-
$1,729 NZD
$973 USD
A
Retailer 2
-
$1,882 NZD
$1,059 USD
View
A
Retailer 3
-
$2,007 NZD
$1,129 USD
View
Retailer 4
-
$2,007 NZD
$1,129 USD
View
Price last confirmed 23 days ago
B+
Retailer 5
-
$2,970 NZD
$1,671 USD
View
B+
Retailer 6
-
$3,084 NZD
£1,366 GBP
View
B+
Retailer 7
-
$3,244 NZD
$1,825 USD
View
B+
Retailer 8
-
$3,292 NZD
€1,764 EUR
View
B+
Retailer 9
-
$3,761 NZD
$2,116 USD
View
B+
Retailer 10
-
$4,324 NZD
$2,433 USD
View
B
Retailer 11
-
$6,805 NZD
£3,015 GBP
View
B
Retailer 12
-
$7,859 NZD
$4,422 USD
View
Most Expensive
B
Brilliant Earth
7682199A · Nov 2
$9,278 NZD
$5,220 USD
View
12 more retailers have this diamond
Prices start from $1,729 NZDSave up to $7,548 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
8.03ct Round
$1,729 NZD