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Oval|Lab Grown|IGI

12.33ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG559269001

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG559269001

Diamond specifications and retailer prices

From $2,841 AUD
£1,568 GBP
As of October 27, 2026
Save $22,543 AUD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $25,385 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.33ct lab-grown oval diamond

This 12.33ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG559269001 or 559269001. Listed at 11 retailers as of October 27, 2026, with prices from $2,841 to $25,385, a $22,543 spread on the same certified stone. Brilliant Earth lists it at $25,385. 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

12.33
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559269001
Dimensions18.85 × 13.09 × 8.12 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
18.85 mm13.09 mm12.33 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559269001
Side View
Table 61.0%Crown 35.2°Girdle: MediumPavilion 41.2°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 27
Current: $27,539 AUD|Low: $2,841 AUD|High: $27,539 AUD|Avg: $13,004 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 16$2,841 AUD
Retailer 12$4,004 AUD
Retailer 17$5,040 AUD
Retailer 7$5,516 AUD
Retailer 11$5,921 AUD
Retailer 13$6,076 AUD
Retailer 6$6,089 AUD
Retailer 5$7,271 AUD
Retailer 2$8,326 AUD
Retailer 4$8,799 AUD
Retailer 18$11,591 AUD
Retailer 14$15,412 AUD
Retailer 3$17,030 AUD
Retailer 15$18,949 AUD
Retailer 8$19,820 AUD
Retailer 9$23,786 AUD
Retailer 10$23,786 AUD
Brilliant Earth$27,539 AUD

11 data points across 18 retailers

11 retailers$2,841 AUD to $25,385 AUD

A
Cheapest Retailer
-
$2,841 AUD
£1,568 GBP
A
Retailer 2
-
$4,004 AUD
$2,806 USD
View
B+
Retailer 3
-
$5,040 AUD
$3,532 USD
View
B
Retailer 4
-
$5,921 AUD
£3,267 GBP
View
B
Retailer 5
-
$6,076 AUD
$4,258 USD
View
B
Retailer 6
-
$8,799 AUD
$6,167 USD
View
B
Retailer 7
-
$11,591 AUD
$8,123 USD
View
B
Retailer 8
-
$15,412 AUD
$10,801 USD
View
B
Retailer 9
-
$17,030 AUD
$11,935 USD
View
B
Retailer 10
-
$18,949 AUD
$13,280 USD
View
Most Expensive
B
Brilliant Earth
22300988A · Oct 31
$25,385 AUD
$17,790 USD
View
10 more retailers have this diamond
Prices start from $2,841 AUDSave up to $22,543 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
12.33ct Oval
$2,841 AUD