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Round|Lab Grown|IGI

8.56ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG614320463

Shape and cutting style on the report: Round brilliant

Certificate IGI LG614320463

Diamond specifications and retailer prices

From $1,768 USD
As of October 31, 2026
Save $4,667 USD (73%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $16,510 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8.56ct lab-grown round diamond

This 8.56ct 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 LG614320463 or 614320463. Listed at 21 retailers as of October 31, 2026, with a 264% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

8.56
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614320463
Dimensions12.95 × 13.01 × 8.12 mm
L/W Ratio1.00
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
12.95 mm13.01 mm8.56 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614320463
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
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: Oct 31
Current: $16,510 USD|Low: $1,516 USD|High: $16,520 USD|Avg: $3,653 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
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Retailer 12
Retailer 13
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Retailer 18
November 1, 2026
Retailer 17$1,579 USD
Retailer 7$1,768 USD
Retailer 3$1,832 USD
Retailer 9$1,832 USD
Retailer 6$2,000 USD
Retailer 10$2,331 USD
Retailer 2$2,398 USD
Retailer 11$2,564 USD
Retailer 5$2,882 USD
Retailer 13$2,882 USD
Retailer 18$2,961 USD
Retailer 14$3,072 USD
Retailer 12$3,394 USD
Retailer 15$4,739 USD
Retailer 4$4,937 USD
Retailer 16$5,259 USD
Retailer 8$5,334 USD
Brilliant Earth$16,510 USD

40 data points across 18 retailers

21 retailers$1,768 USD to $6,435 USD

A
Cheapest Retailer
-
$1,768 USD
Final sale: no returns
Retailer 2
-
$1,832 USD
View
Price last confirmed 19 days ago
Retailer 3
-
$1,832 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$2,000 USD
View
A
Retailer 5
-
$2,331 USD
View
A
Retailer 6
-
$2,398 USD
£1,888 GBP
View
A
Retailer 7
-
$2,564 USD
£2,019 GBP
View
B+
Retailer 8
-
$2,882 USD
View
B+
Retailer 9
-
$2,882 USD
€2,745 EUR
View
B+
Retailer 10
-
$2,961 USD
View
B+
Retailer 11
-
$3,072 USD
ZAR 49,628 ZAR
View
B+
Retailer 12
-
$3,394 USD
A$5,221 AUD
View
Retailer 13
-
$3,433 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$4,420 USD
£3,480 GBP
View
B
Retailer 15
-
$4,739 USD
View
B
Retailer 16
-
$4,937 USD
View
Retailer 17
-
$5,259 USD
£4,141 GBP
View
Price last confirmed 11 days ago
B
Retailer 18
-
$5,334 USD
View
Retailer 19
-
$6,145 USD
View
Price last confirmed 42 days ago
B
Retailer 20
-
$6,435 USD
View
Most Expensive
Brilliant Earth
20601799A · Oct 31
$16,510 USD
View
Price under review
20 more retailers have this diamond
Prices start from $1,768 USDSave up to $4,667 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
8.56ct Round
$1,768 USD