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Round|Lab Grown|IGI

9.12ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG602300701

Shape and cutting style on the report: Round brilliant

Certificate IGI LG602300701

Diamond specifications and retailer prices

From $1,764 AUD
$1,239 USD
As of November 1, 2026
Save $6,678 AUD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,442 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 9.12ct lab-grown round diamond

This 9.12ct 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 LG602300701 or 602300701. Listed at 15 retailers as of October 31, 2026, with prices from $1,764 to $8,442, a $6,678 spread on the same certified stone. Brilliant Earth lists it at $8,442. 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

9.12
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602300701
Dimensions13.42 × 13.36 × 8.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.42 mm13.36 mm9.12 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602300701
Side View
Table 57.0%Crown 35.1°Girdle: MediumPavilion 41°Culet: NoneDepth 62.0%

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: Nov 1
Current: $8,442 AUD|Low: $1,764 AUD|High: $10,364 AUD|Avg: $3,824 AUD|-18.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 15$1,764 AUD
Retailer 11$1,919 AUD
Retailer 3$2,047 AUD
Retailer 13$2,047 AUD
Retailer 12$2,081 AUD
Retailer 10$2,292 AUD
Retailer 6$2,849 AUD
Retailer 2$2,872 AUD
Retailer 5$3,242 AUD
Retailer 9$3,357 AUD
Retailer 14$3,837 AUD
Retailer 4$3,921 AUD
Retailer 8$6,576 AUD
Retailer 7$8,102 AUD
Brilliant Earth$8,442 AUD

40 data points across 15 retailers

15 retailers$1,764 AUD to $8,442 AUD

A
Cheapest Retailer
-
$1,764 AUD
$1,239 USD
A
Retailer 2
-
$1,919 AUD
$1,348 USD
View
Retailer 3
-
$2,047 AUD
$1,438 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
$2,047 AUD
$1,438 USD
View
Retailer 5
-
$2,081 AUD
£1,151 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
$2,292 AUD
$1,610 USD
View
B+
Retailer 7
-
$2,849 AUD
$2,001 USD
View
B+
Retailer 8
-
$2,872 AUD
£1,588 GBP
View
B+
Retailer 9
-
$3,242 AUD
$2,277 USD
View
B+
Retailer 10
-
$3,357 AUD
€2,246 EUR
View
B+
Retailer 11
-
$3,837 AUD
$2,695 USD
View
B
Retailer 12
-
$3,921 AUD
$2,754 USD
View
B
Retailer 13
-
$6,576 AUD
£3,637 GBP
View
B
Retailer 14
-
$8,102 AUD
$5,691 USD
View
Most Expensive
B
Brilliant Earth
8384613A · Oct 31
$8,442 AUD
$5,930 USD
View
14 more retailers have this diamond
Prices start from $1,764 AUDSave up to $6,678 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
9.12ct Round
$1,764 AUD