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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 $708 NZD
$399 USD
As of November 1, 2026
Save $3,142 NZD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,850 NZD 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 $708 to $3,850, a $3,142 spread on the same certified stone. Brilliant Earth lists it at $3,850. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,850 NZD|Low: $708 NZD|High: $3,974 NZD|Avg: $2,078 NZD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8$708 NZD
Retailer 5$1,136 NZD
Retailer 9$1,391 NZD
Retailer 3$1,401 NZD
Retailer 10$1,430 NZD
Retailer 2$1,435 NZD
Retailer 7$2,110 NZD
Retailer 6$3,256 NZD
Retailer 4$3,445 NZD
Brilliant Earth$3,850 NZD

42 data points across 10 retailers

17 retailers$708 NZD to $3,850 NZD

A
Cheapest Retailer
-
$708 NZD
$399 USD
A
Retailer 2
-
$791 NZD
$446 USD
View
Retailer 3
-
$877 NZD
$494 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$877 NZD
$494 USD
View
A
Retailer 5
-
$1,136 NZD
$640 USD
View
B+
Retailer 6
-
$1,391 NZD
$784 USD
View
A
Retailer 7
-
$1,401 NZD
€752 EUR
View
A
Retailer 8
-
$1,430 NZD
$806 USD
View
A
Retailer 9
-
$1,435 NZD
£637 GBP
View
B+
Retailer 10
-
$1,957 NZD
$1,103 USD
View
B+
Retailer 11
-
$2,110 NZD
$1,189 USD
View
Retailer 12
-
$2,262 NZD
$1,275 USD
View
Price last confirmed 46 days ago
B
Retailer 13
-
$2,819 NZD
$1,589 USD
View
B
Retailer 14
-
$2,883 NZD
$1,625 USD
View
Retailer 15
-
$3,256 NZD
$1,835 USD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$3,445 NZD
£1,529 GBP
View
Most Expensive
B
Brilliant Earth
18543240A · Oct 28
$3,850 NZD
$2,170 USD
View
16 more retailers have this diamond
Prices start from $708 NZDSave up to $3,142 NZD

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
$708 NZD