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Oval|Lab Grown|IGI

11.65ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG575382214

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG575382214

Diamond specifications and retailer prices

From $2,369 AUD
£1,310 GBP
As of November 1, 2026
Save $10,840 AUD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $13,210 AUD at Adiamor · As of November 2, 2026
View at Adiamor

About this 11.65ct lab-grown oval diamond

This 11.65ct 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 LG575382214 or 575382214. Listed at 10 retailers as of November 1, 2026, with prices from $2,369 to $13,210, a $10,840 spread on the same certified stone. Adiamor lists it at $13,210. 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

11.65
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG575382214
Dimensions18.28 × 12.84 × 8.07 mm
L/W Ratio1.42
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
18.28 mm12.84 mm11.65 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG575382214
Side View
Table 61.5%Crown 36.1°Girdle: MediumPavilion 41.6°Culet: NoneDepth 62.9%

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: Nov 1
Current: $13,210 AUD|Low: $2,368 AUD|High: $13,210 AUD|Avg: $6,391 AUD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2$2,369 AUD
Retailer 11$2,847 AUD
Retailer 7$3,189 AUD
Retailer 3$3,408 AUD
Retailer 9$4,628 AUD
Retailer 6$4,961 AUD
Retailer 12$4,995 AUD
Retailer 4$6,440 AUD
Retailer 5$7,986 AUD
Retailer 10$9,853 AUD
Retailer 8$12,286 AUD
Adiamor$13,210 AUD

39 data points across 12 retailers

10 retailers$2,369 AUD to $13,210 AUD

A
Cheapest Retailer
-
$2,369 AUD
£1,310 GBP
A
Retailer 2
-
$2,847 AUD
$2,000 USD
View
Final sale: no returns
A
Retailer 3
-
$3,189 AUD
$2,240 USD
View
A
Retailer 4
-
$3,408 AUD
HK$18,700 HKD
View
B+
Retailer 5
-
$4,628 AUD
$3,251 USD
View
B+
Retailer 6
-
$4,961 AUD
$3,485 USD
View
B
Retailer 7
-
$7,986 AUD
$5,610 USD
View
B
Retailer 8
-
$9,853 AUD
SGD 9,353 SGD
View
B
Retailer 9
-
$12,286 AUD
$8,630 USD
View
Most Expensive
B
Adiamor
D-61178980 · Nov 2
$13,210 AUD
$9,279 USD
View
9 more retailers have this diamond
Prices start from $2,369 AUDSave up to $10,840 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
11.65ct Oval
$2,369 AUD