CaratHunter
Plans
Radiant|Lab Grown|IGI

3.10ct G SI1 Radiant Lab Grown Diamond

EX • G/SI1 • IGI LG851607021

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

Certificate IGI LG851607021

Diamond specifications and retailer prices

From $1,003 AUD
As of November 6, 2026
Save $4,790 AUD (83%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,792 AUD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG851607021 or 851607021. Listed at 2 retailers as of November 6, 2026, with prices from $1,003 to $5,792, a $4,790 spread on the same certified stone. Brilliant Earth lists it at $5,792. 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

3.10
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851607021
Dimensions10.28 × 7.26 × 4.86 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.28 mm7.26 mm3.10 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851607021
Side View
Table 66.0%Crown 43.7°Girdle: MediumPavilion 34.8°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,792 AUD|Low: $1,003 AUD|High: $5,792 AUD|Avg: $3,398 AUD
Brilliant Earth
Retailer 2
November 6, 2026
Retailer 2$1,003 AUD
Brilliant Earth$5,792 AUD

4 data points across 2 retailers

2 retailers$1,003 AUD to $5,792 AUD

A
Cheapest Retailer
-
$1,003 AUD
Most Expensive
B
Brilliant Earth
22442624A · Nov 6
$5,792 AUD
$3,980 USD
View
1 more retailer has this diamond
Prices start from $1,003 AUDSave up to $4,790 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
3.10ct Radiant
$1,003 AUD