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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 $510 SGD
$399 USD
As of October 29, 2026
Save $2,264 SGD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,774 SGD 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 $510 to $2,774, a $2,264 spread on the same certified stone. Brilliant Earth lists it at $2,774. 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: $2,774 SGD|Low: $510 SGD|High: $2,864 SGD|Avg: $1,499 SGD|-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$510 SGD
Retailer 5$818 SGD
Retailer 9$1,002 SGD
Retailer 2$1,009 SGD
Retailer 3$1,026 SGD
Retailer 10$1,030 SGD
Retailer 7$1,520 SGD
Retailer 6$2,346 SGD
Retailer 4$2,482 SGD
Brilliant Earth$2,774 SGD

42 data points across 10 retailers

17 retailers$510 SGD to $2,774 SGD

A
Cheapest Retailer
-
$510 SGD
$399 USD
A
Retailer 2
-
$570 SGD
$446 USD
View
A
Retailer 3
-
$632 SGD
$494 USD
View
A
Retailer 4
-
$632 SGD
$494 USD
View
A
Retailer 5
-
$818 SGD
$640 USD
View
B+
Retailer 6
-
$1,002 SGD
$784 USD
View
A
Retailer 7
-
$1,009 SGD
€752 EUR
View
A
Retailer 8
-
$1,026 SGD
£632 GBP
View
A
Retailer 9
-
$1,030 SGD
$806 USD
View
B+
Retailer 10
-
$1,410 SGD
$1,103 USD
View
B+
Retailer 11
-
$1,520 SGD
$1,189 USD
View
Retailer 12
-
$1,630 SGD
$1,275 USD
View
Price last confirmed 45 days ago
B
Retailer 13
-
$2,031 SGD
$1,589 USD
View
B
Retailer 14
-
$2,077 SGD
$1,625 USD
View
Retailer 15
-
$2,346 SGD
$1,835 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
$2,482 SGD
£1,529 GBP
View
Most Expensive
B
Brilliant Earth
18543240A · Oct 28
$2,774 SGD
$2,170 USD
View
16 more retailers have this diamond
Prices start from $510 SGDSave up to $2,264 SGD

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
$510 SGD