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Round|Lab Grown|IGI

3.23ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG783638303

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783638303

Diamond specifications and retailer prices

From $568 AUD
$399 USD
As of October 29, 2026
Save $2,521 AUD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,089 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.23ct lab-grown round diamond

This 3.23ct lab-grown round 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 LG783638303 or 783638303. Listed at 17 retailers as of October 28, 2026, with prices from $568 to $3,089, a $2,521 spread on the same certified stone. Brilliant Earth lists it at $3,089. 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

3.23
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783638303
Dimensions9.39 × 9.46 × 5.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.39 mm9.46 mm3.23 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783638303
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 40.6°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: Oct 29
Current: $3,089 AUD|Low: $568 AUD|High: $3,189 AUD|Avg: $1,669 AUD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 8$568 AUD
Retailer 5$911 AUD
Retailer 9$1,116 AUD
Retailer 2$1,124 AUD
Retailer 3$1,142 AUD
Retailer 10$1,147 AUD
Retailer 7$1,693 AUD
Retailer 6$2,612 AUD
Retailer 4$2,764 AUD
Brilliant Earth$3,089 AUD

41 data points across 10 retailers

17 retailers$568 AUD to $3,089 AUD

A
Cheapest Retailer
-
$568 AUD
$399 USD
A
Retailer 2
-
$635 AUD
$446 USD
View
A
Retailer 3
-
$703 AUD
$494 USD
View
A
Retailer 4
-
$703 AUD
$494 USD
View
A
Retailer 5
-
$911 AUD
$640 USD
View
B+
Retailer 6
-
$1,116 AUD
$784 USD
View
A
Retailer 7
-
$1,124 AUD
€752 EUR
View
A
Retailer 8
-
$1,142 AUD
£632 GBP
View
A
Retailer 9
-
$1,147 AUD
$806 USD
View
B+
Retailer 10
-
$1,570 AUD
$1,103 USD
View
B+
Retailer 11
-
$1,693 AUD
$1,189 USD
View
Retailer 12
-
$1,815 AUD
$1,275 USD
View
Price last confirmed 45 days ago
B
Retailer 13
-
$2,262 AUD
$1,589 USD
View
B
Retailer 14
-
$2,313 AUD
$1,625 USD
View
Retailer 15
-
$2,612 AUD
$1,835 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
$2,764 AUD
£1,529 GBP
View
Most Expensive
B
Brilliant Earth
18543240A · Oct 28
$3,089 AUD
$2,170 USD
View
16 more retailers have this diamond
Prices start from $568 AUDSave up to $2,521 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
3.23ct Round
$568 AUD