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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 $1,664 USD
£1,310 GBP
As of November 1, 2026
Save $7,615 USD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,279 USD at Adiamor · As of October 31, 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 October 31, 2026, with prices from $1,664 to $9,279, a $7,615 spread on the same certified stone. Adiamor lists it at $9,279. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $9,279 USD|Low: $1,664 USD|High: $9,279 USD|Avg: $4,490 USD
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$1,664 USD
Retailer 11$2,000 USD
Retailer 7$2,240 USD
Retailer 3$2,394 USD
Retailer 9$3,251 USD
Retailer 6$3,485 USD
Retailer 12$3,509 USD
Retailer 4$4,523 USD
Retailer 5$5,610 USD
Retailer 10$6,921 USD
Retailer 8$8,630 USD
Adiamor$9,279 USD

39 data points across 12 retailers

10 retailers$1,664 USD to $9,279 USD

A
Cheapest Retailer
-
$1,664 USD
£1,310 GBP
A
Retailer 2
-
$2,000 USD
View
Final sale: no returns
A
Retailer 3
-
$2,240 USD
View
A
Retailer 4
-
$2,394 USD
HK$18,700 HKD
View
B+
Retailer 5
-
$3,251 USD
View
B+
Retailer 6
-
$3,485 USD
View
Retailer 7
-
$5,610 USD
View
Price last confirmed 13 days ago
B
Retailer 8
-
$6,921 USD
SGD 9,353 SGD
View
B
Retailer 9
-
$8,630 USD
View
Most Expensive
B
Adiamor
D-61178980 · Oct 31
$9,279 USD
View
9 more retailers have this diamond
Prices start from $1,664 USDSave up to $7,615 USD

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
$1,664 USD