Oval|Lab Grown|IGI

11.54ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG569325826

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG569325826

Diamond specifications and retailer prices

From $1,839 USD
£1,448 GBP
As of November 1, 2026
Save $7,303 USD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,142 USD at Adiamor · As of October 31, 2026
View at Adiamor

About this 11.54ct lab-grown oval diamond

This 11.54ct 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 LG569325826 or 569325826. Listed at 12 retailers as of October 31, 2026, with prices from $1,839 to $9,142, a $7,303 spread on the same certified stone. Adiamor lists it at $9,142. 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

11.54
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG569325826
Dimensions18.59 × 12.85 × 8.00 mm
L/W Ratio1.45
Girdle conditionFaceted
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
18.59 mm12.85 mm11.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG569325826
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.3%

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: $9,142 USD|Low: $1,839 USD|High: $18,120 USD|Avg: $5,690 USD
Adiamor
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
November 1, 2026
Retailer 10$1,839 USD
Retailer 13$1,974 USD
Retailer 5$2,148 USD
Retailer 15$2,290 USD
Retailer 14$2,455 USD
Retailer 3$2,701 USD
Retailer 16$2,798 USD
Retailer 11$3,123 USD
Retailer 4$3,147 USD
Retailer 9$3,584 USD
Retailer 12$3,760 USD
Retailer 6$4,558 USD
Retailer 2$5,860 USD
Adiamor$9,142 USD
Retailer 7$16,454 USD
Retailer 8$18,120 USD

5 data points across 16 retailers

12 retailers$1,839 USD to $9,142 USD

A
Cheapest Retailer
-
$1,839 USD
£1,448 GBP
A
Retailer 2
-
$1,974 USD
View
A
Retailer 3
-
$2,148 USD
View
A
Retailer 4
-
$2,290 USD
View
A
Retailer 5
-
$2,455 USD
View
A
Retailer 6
-
$2,701 USD
HK$21,100 HKD
View
A
Retailer 7
-
$2,798 USD
View
B+
Retailer 8
-
$3,123 USD
£2,459 GBP
View
B+
Retailer 9
-
$3,147 USD
View
B+
Retailer 10
-
$3,584 USD
View
B+
Retailer 11
-
$3,760 USD
View
Most Expensive
B
Adiamor
D-82828531 · Oct 31
$9,142 USD
View
11 more retailers have this diamond
Prices start from $1,839 USDSave up to $7,303 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
11.54ct Oval
$1,839 USD