Round|Lab Grown|IGI

8.21ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG560236389

Shape and cutting style on the report: Round brilliant

Certificate IGI LG560236389

Diamond specifications and retailer prices

From $2,578 NZD
$1,453 USD
As of November 1, 2026
Save $13,604 NZD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $16,182 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8.21ct lab-grown round diamond

This 8.21ct 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 LG560236389 or 560236389. Listed at 22 retailers as of October 31, 2026, with prices from $2,578 to $16,182, a $13,604 spread on the same certified stone. Brilliant Earth lists it at $16,182. 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

8.21
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG560236389
Dimensions12.90 × 12.84 × 7.99 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
12.90 mm12.84 mm8.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG560236389
Side View
Table 57.5%Crown 35.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

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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: $16,182 NZD|Low: $2,221 NZD|High: $17,424 NZD|Avg: $6,469 NZD|-7.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
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Retailer 17
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Retailer 23
November 1, 2026
Retailer 3$2,578 NZD
Retailer 22$2,805 NZD
Retailer 10$2,887 NZD
Retailer 14$2,990 NZD
Retailer 23$2,990 NZD
Retailer 19$3,291 NZD
Retailer 7$3,872 NZD
Retailer 13$3,914 NZD
Retailer 17$4,171 NZD
Retailer 21$4,292 NZD
Retailer 11$4,714 NZD
Retailer 20$5,015 NZD
Retailer 8$5,428 NZD
Retailer 18$5,540 NZD
Retailer 4$5,605 NZD
Retailer 9$7,741 NZD
Retailer 15$8,061 NZD
Retailer 2$8,540 NZD
Retailer 12$8,784 NZD
Retailer 5$10,344 NZD
Retailer 16$10,527 NZD
Retailer 6$14,443 NZD
Brilliant Earth$16,182 NZD

27 data points across 23 retailers

22 retailers$2,578 NZD to $16,182 NZD

A
Cheapest Retailer
-
$2,578 NZD
$1,453 USD
A
Retailer 2
-
$2,805 NZD
$1,581 USD
View
Retailer 3
-
$2,990 NZD
$1,685 USD
View
Price last confirmed 21 days ago
A
Retailer 4
-
$2,990 NZD
$1,685 USD
View
A
Retailer 5
-
$3,291 NZD
$1,855 USD
View
A
Retailer 6
-
$3,872 NZD
$2,182 USD
View
A
Retailer 7
-
$3,914 NZD
£1,737 GBP
View
B+
Retailer 8
-
$4,171 NZD
£1,851 GBP
View
A
Retailer 9
-
$4,292 NZD
€2,304 EUR
View
B+
Retailer 10
-
$4,714 NZD
$2,657 USD
View
B+
Retailer 11
-
$5,015 NZD
ZAR 45,665 ZAR
View
B+
Retailer 12
-
$5,428 NZD
$3,059 USD
View
B+
Retailer 13
-
$5,540 NZD
A$4,804 AUD
View
B+
Retailer 14
-
$5,605 NZD
$3,159 USD
View
B
Retailer 15
-
$7,741 NZD
$4,363 USD
View
B
Retailer 16
-
$8,061 NZD
$4,543 USD
View
B+
Retailer 17
-
$8,540 NZD
£3,790 GBP
View
Retailer 18
-
$8,784 NZD
$4,951 USD
View
Price last confirmed 21 days ago
B
Retailer 19
-
$10,344 NZD
$5,830 USD
View
B
Retailer 20
-
$10,527 NZD
$5,933 USD
View
B
Retailer 21
-
$14,443 NZD
$8,140 USD
View
Most Expensive
B
Brilliant Earth
7625997A · Oct 31
$16,182 NZD
$9,120 USD
View
21 more retailers have this diamond
Prices start from $2,578 NZDSave up to $13,604 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
8.21ct Round
$2,578 NZD