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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 $652 AUD
$458 USD
As of November 1, 2026
Save $3,548 AUD (84%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,200 AUD 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 $652 to $4,200, a $3,548 spread on the same certified stone. Brilliant Earth lists it at $4,200. 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: Nov 1
Current: $4,200 AUD|Low: $652 AUD|High: $4,200 AUD|Avg: $1,778 AUD
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 4$652 AUD
Retailer 8$897 AUD
Retailer 7$1,028 AUD
Retailer 10$1,135 AUD
Retailer 5$1,200 AUD
Retailer 11$1,519 AUD
Retailer 2$1,701 AUD
Retailer 6$1,717 AUD
Retailer 3$2,451 AUD
Retailer 9$3,060 AUD
Brilliant Earth$4,200 AUD

5 data points across 11 retailers

4 retailers$652 AUD to $4,200 AUD

A
Cheapest Retailer
-
$652 AUD
$458 USD
Final sale: no returns
B+
Retailer 2
-
$1,701 AUD
View
Retailer 3
-
$3,060 AUD
$2,149 USD
View
Price last confirmed 56 days ago
Most Expensive
B
Brilliant Earth
14151042A · Oct 31
$4,200 AUD
$2,950 USD
View
3 more retailers have this diamond
Prices start from $652 AUDSave up to $3,548 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
3.59ct Oval
$652 AUD