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Round|Lab Grown|IGI

8.71ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG618439627

Shape and cutting style on the report: Round brilliant

Certificate IGI LG618439627

Diamond specifications and retailer prices

From $2,629 NZD
$1,479 USD
As of November 1, 2026
Save $15,997 NZD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $18,626 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 8.71ct lab-grown round diamond

This 8.71ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG618439627 or 618439627. Listed at 22 retailers as of November 1, 2026, with prices from $2,629 to $18,626, a $15,997 spread on the same certified stone. Brilliant Earth lists it at $18,626. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

8.71
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618439627
Dimensions13.08 × 13.18 × 8.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.08 mm13.18 mm8.71 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618439627
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

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: $18,626 NZD|Low: $2,524 NZD|High: $20,119 NZD|Avg: $6,279 NZD|-3.6%
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 3$2,629 NZD
Retailer 6$2,943 NZD
Retailer 7$3,050 NZD
Retailer 14$3,350 NZD
Retailer 9$3,992 NZD
Retailer 2$4,290 NZD
Retailer 15$4,345 NZD
Retailer 10$4,643 NZD
Retailer 8$4,937 NZD
Retailer 13$5,115 NZD
Retailer 12$5,651 NZD
Retailer 5$8,218 NZD
Retailer 11$8,710 NZD
Retailer 4$8,941 NZD
Brilliant Earth$18,626 NZD

38 data points across 15 retailers

22 retailers$2,629 NZD to $18,626 NZD

A
Cheapest Retailer
-
$2,629 NZD
$1,479 USD
A
Retailer 2
-
$2,860 NZD
$1,609 USD
View
A
Retailer 3
-
$2,943 NZD
$1,656 USD
View
Final sale: no returns
A
Retailer 4
-
$3,050 NZD
$1,716 USD
View
Retailer 5
-
$3,050 NZD
$1,716 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$3,350 NZD
$1,885 USD
View
A
Retailer 7
-
$3,965 NZD
$2,231 USD
View
A
Retailer 8
-
$3,992 NZD
£1,768 GBP
View
A
Retailer 9
-
$4,290 NZD
£1,901 GBP
View
B+
Retailer 10
-
$4,345 NZD
$2,445 USD
View
A
Retailer 11
-
$4,643 NZD
€2,488 EUR
View
B+
Retailer 12
-
$4,937 NZD
$2,778 USD
View
B+
Retailer 13
-
$5,115 NZD
ZAR 46,491 ZAR
View
B+
Retailer 14
-
$5,651 NZD
A$4,892 AUD
View
B+
Retailer 15
-
$5,716 NZD
$3,216 USD
View
B+
Retailer 16
-
$7,492 NZD
$4,216 USD
View
B
Retailer 17
-
$8,218 NZD
$4,624 USD
View
B
Retailer 18
-
$8,629 NZD
$4,855 USD
View
B
Retailer 19
-
$8,710 NZD
£3,859 GBP
View
B
Retailer 20
-
$8,941 NZD
$5,031 USD
View
B
Retailer 21
-
$10,728 NZD
$6,036 USD
View
Most Expensive
B
Brilliant Earth
9066630A · Nov 2
$18,626 NZD
$10,480 USD
View
21 more retailers have this diamond
Prices start from $2,629 NZDSave up to $15,997 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
8.71ct Round
$2,629 NZD