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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 $1,453 USD
As of October 29, 2026
Save $7,667 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,120 USD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $1,453 to $9,120, a $7,667 spread on the same certified stone. Brilliant Earth lists it at $9,120. 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
Color
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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Price History

Last verified: Oct 29
Current: $9,120 USD|Low: $1,252 USD|High: $10,240 USD|Avg: $3,705 USD|-4.8%
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 3$1,453 USD
Retailer 21$1,581 USD
Retailer 10$1,627 USD
Retailer 14$1,685 USD
Retailer 23$1,685 USD
Retailer 7$2,182 USD
Retailer 2$2,213 USD
Retailer 13$2,370 USD
Retailer 22$2,400 USD
Retailer 19$2,419 USD
Retailer 11$2,657 USD
Retailer 17$2,827 USD
Retailer 8$3,059 USD
Retailer 20$3,121 USD
Retailer 4$3,159 USD
Retailer 9$4,363 USD
Retailer 15$4,543 USD
Retailer 18$4,839 USD
Retailer 12$4,951 USD
Retailer 5$5,830 USD
Retailer 16$5,933 USD
Retailer 6$8,140 USD
Brilliant Earth$9,120 USD

29 data points across 23 retailers

22 retailers$1,453 USD to $9,120 USD

A
Cheapest Retailer
-
$1,453 USD
A
Retailer 2
-
$1,581 USD
View
Retailer 3
-
$1,685 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$1,685 USD
View
A
Retailer 5
-
$2,182 USD
View
A
Retailer 6
-
$2,213 USD
£1,742 GBP
View
B+
Retailer 7
-
$2,370 USD
£1,866 GBP
View
B+
Retailer 8
-
$2,400 USD
View
A
Retailer 9
-
$2,419 USD
€2,304 EUR
View
B+
Retailer 10
-
$2,657 USD
View
B+
Retailer 11
-
$2,827 USD
ZAR 45,665 ZAR
View
B+
Retailer 12
-
$3,059 USD
View
Retailer 13
-
$3,121 USD
A$4,801 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$3,159 USD
View
B
Retailer 15
-
$4,363 USD
View
B
Retailer 16
-
$4,543 USD
View
B
Retailer 17
-
$4,839 USD
£3,810 GBP
View
Retailer 18
-
$4,951 USD
View
Price last confirmed 20 days ago
Retailer 19
-
$5,830 USD
View
Price last confirmed 9 days ago
B
Retailer 20
-
$5,933 USD
View
B
Retailer 21
-
$8,140 USD
View
Most Expensive
B
Brilliant Earth
7625997A · Oct 29
$9,120 USD
View
21 more retailers have this diamond
Prices start from $1,453 USDSave up to $7,667 USD

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
$1,453 USD