Radiant|Lab Grown|IGI

8.56ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG847679050

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG847679050

Diamond specifications and retailer prices

From $3,893 USD
As of October 26, 2026
Save $14,648 USD (79%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $18,541 USD at With Clarity · As of October 26, 2026
View at With Clarity

About this 8.56ct lab-grown radiant diamond

This 8.56ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG847679050 or 847679050. Listed at 3 retailers as of October 26, 2026, with prices from $3,893 to $18,541, a $14,648 spread on the same certified stone. With Clarity lists it at $18,541. 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
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847679050
Dimensions15.08 × 10.13 × 6.47 mm
L/W Ratio1.49
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.08 mm10.13 mm8.56 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847679050
Side View
Table 67.0%Crown 43.7°Girdle: MediumPavilion 33.5°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 26
Current: $3,893 USD|Low: $3,893 USD|High: $18,541 USD|Avg: $11,782 USD
Retailer 1
Retailer 2
With Clarity
October 26, 2026
Retailer 1$3,893 USD
Retailer 2$12,913 USD
With Clarity$18,541 USD

1 data point across 3 retailers

3 retailers$3,893 USD to $18,541 USD

B+
Cheapest Retailer
-
$3,893 USD
B
Retailer 2
-
$12,913 USD
View
Most Expensive
B
With Clarity
847679050 · Oct 26
$18,541 USD
View
2 more retailers have this diamond
Prices start from $3,893 USDSave up to $14,648 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.

B+
8.56ct Radiant
$3,893 USD