Round|Lab Grown|IGI

8.55ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG818606147

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818606147

Diamond specifications and retailer prices

From $1,395 USD
As of October 31, 2026
Save $6,995 USD (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $8,390 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 8.55ct lab-grown round diamond

This 8.55ct 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 LG818606147 or 818606147. Listed at 3 retailers as of October 29, 2026, with prices from $1,395 to $8,390, a $6,995 spread on the same certified stone. Brilliant Earth lists it at $8,390. 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

8.55
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818606147
Dimensions13.12 × 13.17 × 8.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.12 mm13.17 mm8.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818606147
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $8,390 USD|Low: $1,395 USD|High: $8,390 USD|Avg: $4,205 USD
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$1,395 USD
Retailer 2$2,059 USD
Brilliant Earth$8,390 USD

35 data points across 3 retailers

3 retailers$1,395 USD to $8,390 USD

A
Cheapest Retailer
-
$1,395 USD
Final sale: no returns
A
Retailer 2
-
$2,059 USD
£1,621 GBP
View
Most Expensive
B
Brilliant Earth
21228200A · Oct 29
$8,390 USD
View
2 more retailers have this diamond
Prices start from $1,395 USDSave up to $6,995 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
8.55ct Round
$1,395 USD