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Round|Lab Grown|IGI

8.53ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG819645761

Shape and cutting style on the report: Round brilliant

Certificate IGI LG819645761

Diamond specifications and retailer prices

From $2,480 AUD
£1,372 GBP
As of October 30, 2026
Save $5,392 AUD (68%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $7,873 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 8.53ct lab-grown round diamond

This 8.53ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG819645761 or 819645761. Listed at 2 retailers as of October 29, 2026, with prices from $2,480 to $7,873, a $5,392 spread on the same certified stone. Brilliant Earth lists it at $7,873. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

8.53
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819645761
Dimensions12.95 × 13.02 × 8.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.95 mm13.02 mm8.53 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819645761
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $7,873 AUD|Low: $1,631 AUD|High: $7,887 AUD|Avg: $4,330 AUD|-0.2%
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$1,631 AUD
Retailer 2$2,480 AUD
Brilliant Earth$7,873 AUD

32 data points across 3 retailers

2 retailers$2,480 AUD to $7,873 AUD

A
Cheapest Retailer
-
$2,480 AUD
£1,372 GBP
Most Expensive
B
Brilliant Earth
21235452A · Oct 29
$7,873 AUD
$5,530 USD
View
1 more retailer has this diamond
Prices start from $2,480 AUDSave up to $5,392 AUD

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
8.53ct Round
$2,480 AUD