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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 HK$3,130 HKD
$399 USD
As of October 29, 2026
Save HK$13,895 HKD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$17,025 HKD 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 HK$3,130 to HK$17,025, a HK$13,895 spread on the same certified stone. Brilliant Earth lists it at HK$17,025. 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: Oct 29
Current: HK$17,025 HKD|Low: HK$3,130 HKD|High: HK$17,574 HKD|Avg: HK$9,190 HKD|-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 8HK$3,130 HKD
Retailer 5HK$5,021 HKD
Retailer 9HK$6,151 HKD
Retailer 3HK$6,195 HKD
Retailer 10HK$6,324 HKD
Retailer 2HK$6,348 HKD
Retailer 7HK$9,329 HKD
Retailer 6HK$14,397 HKD
Retailer 4HK$15,235 HKD
Brilliant EarthHK$17,025 HKD

42 data points across 10 retailers

17 retailersHK$3,130 HKD to HK$17,025 HKD

A
Cheapest Retailer
-
HK$3,130 HKD
$399 USD
A
Retailer 2
-
HK$3,499 HKD
$446 USD
View
A
Retailer 3
-
HK$3,876 HKD
$494 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
HK$3,876 HKD
$494 USD
View
A
Retailer 5
-
HK$5,021 HKD
$640 USD
View
B+
Retailer 6
-
HK$6,151 HKD
$784 USD
View
A
Retailer 7
-
HK$6,195 HKD
€752 EUR
View
A
Retailer 8
-
HK$6,324 HKD
$806 USD
View
A
Retailer 9
-
HK$6,348 HKD
£637 GBP
View
B+
Retailer 10
-
HK$8,654 HKD
$1,103 USD
View
B+
Retailer 11
-
HK$9,329 HKD
$1,189 USD
View
Retailer 12
-
HK$10,003 HKD
$1,275 USD
View
Price last confirmed 46 days ago
B
Retailer 13
-
HK$12,467 HKD
$1,589 USD
View
B
Retailer 14
-
HK$12,748 HKD
$1,625 USD
View
Retailer 15
-
HK$14,397 HKD
$1,835 USD
View
Price last confirmed 14 days ago
B
Retailer 16
-
HK$15,235 HKD
£1,529 GBP
View
Most Expensive
B
Brilliant Earth
18543240A · Oct 28
HK$17,025 HKD
$2,170 USD
View
16 more retailers have this diamond
Prices start from HK$3,130 HKDSave up to HK$13,895 HKD

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
HK$3,130 HKD