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Round|Lab Grown|IGI

8.00ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG613382957

Shape and cutting style on the report: Round brilliant

Certificate IGI LG613382957

Diamond specifications and retailer prices

From $1,724 NZD
$970 USD
As of November 1, 2026
Save $7,518 NZD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,242 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8ct lab-grown round diamond

This 8ct 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 LG613382957 or 613382957. Listed at 15 retailers as of October 31, 2026, with prices from $1,724 to $9,242, a $7,518 spread on the same certified stone. Brilliant Earth lists it at $9,242. 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

8.00
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613382957
Dimensions13.00 × 12.95 × 7.80 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
13.00 mm12.95 mm8.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613382957
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.1%

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: $9,242 NZD|Low: $1,724 NZD|High: $9,526 NZD|Avg: $4,040 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
November 1, 2026
Retailer 3$1,724 NZD
Retailer 11$1,875 NZD
Retailer 4$1,999 NZD
Retailer 14$1,999 NZD
Retailer 13$2,033 NZD
Retailer 6$2,961 NZD
Retailer 8$3,073 NZD
Retailer 5$3,197 NZD
Retailer 10$3,199 NZD
Retailer 9$3,266 NZD
Retailer 12$4,310 NZD
Retailer 15$5,622 NZD
Retailer 2$6,781 NZD
Retailer 7$7,802 NZD
Brilliant Earth$9,242 NZD

38 data points across 15 retailers

15 retailers$1,724 NZD to $9,242 NZD

A
Cheapest Retailer
-
$1,724 NZD
$970 USD
A
Retailer 2
-
$1,875 NZD
$1,055 USD
View
A
Retailer 3
-
$1,999 NZD
$1,125 USD
View
Retailer 4
-
$1,999 NZD
$1,125 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$2,033 NZD
£901 GBP
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$2,961 NZD
$1,666 USD
View
B+
Retailer 7
-
$3,073 NZD
£1,361 GBP
View
B+
Retailer 8
-
$3,197 NZD
$1,799 USD
View
B+
Retailer 9
-
$3,199 NZD
$1,800 USD
View
B+
Retailer 10
-
$3,266 NZD
€1,750 EUR
View
B+
Retailer 11
-
$4,310 NZD
$2,425 USD
View
B
Retailer 12
-
$5,622 NZD
$3,163 USD
View
B
Retailer 13
-
$6,781 NZD
£3,004 GBP
View
B
Retailer 14
-
$7,802 NZD
$4,390 USD
View
Most Expensive
B
Brilliant Earth
8905072A · Oct 31
$9,242 NZD
$5,200 USD
View
14 more retailers have this diamond
Prices start from $1,724 NZDSave up to $7,518 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
8.00ct Round
$1,724 NZD