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Oval|Lab Grown|IGI

3.59ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG645495764

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG645495764

Diamond specifications and retailer prices

From HK$3,593 HKD
$458 USD
As of October 31, 2026
Save HK$19,551 HKD (84%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$23,145 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.59ct lab-grown oval diamond

This 3.59ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG645495764 or 645495764. Listed at 4 retailers as of October 31, 2026, with prices from HK$3,593 to HK$23,145, a HK$19,551 spread on the same certified stone. Brilliant Earth lists it at HK$23,145. 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

3.59
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645495764
Dimensions12.61 × 8.46 × 5.19 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.61 mm8.46 mm3.59 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645495764
Side View
Table 60.0%Crown 35.9°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 61.3%

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 31
Current: HK$23,145 HKD|Low: HK$3,593 HKD|High: HK$23,145 HKD|Avg: HK$9,799 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 4HK$3,593 HKD
Retailer 8HK$4,943 HKD
Retailer 7HK$5,665 HKD
Retailer 10HK$6,253 HKD
Retailer 5HK$6,613 HKD
Retailer 11HK$8,371 HKD
Retailer 2HK$9,373 HKD
Retailer 6HK$9,462 HKD
Retailer 3HK$13,508 HKD
Retailer 9HK$16,862 HKD
Brilliant EarthHK$23,145 HKD

5 data points across 11 retailers

4 retailersHK$3,593 HKD to HK$23,145 HKD

A
Cheapest Retailer
-
HK$3,593 HKD
$458 USD
Final sale: no returns
B+
Retailer 2
-
HK$9,373 HKD
A$1,838 AUD
View
Retailer 3
-
HK$16,862 HKD
$2,149 USD
View
Price last confirmed 56 days ago
Most Expensive
B
Brilliant Earth
14151042A · Oct 31
HK$23,145 HKD
$2,950 USD
View
3 more retailers have this diamond
Prices start from HK$3,593 HKDSave up to HK$19,551 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
3.59ct Oval
HK$3,593 HKD