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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 $3,268 NZD
£1,448 GBP
As of November 2, 2026
Save $12,980 NZD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $16,248 NZD at Adiamor · As of November 2, 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 November 2, 2026, with prices from $3,268 to $16,248, a $12,980 spread on the same certified stone. Adiamor lists it at $16,248. 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
Colour
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 2
Current: $16,248 NZD|Low: $3,268 NZD|High: $32,205 NZD|Avg: $9,966 NZD
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 2, 2026
Retailer 2$3,268 NZD
Retailer 13$3,508 NZD
Retailer 5$3,818 NZD
Retailer 15$4,070 NZD
Retailer 14$4,363 NZD
Retailer 3$4,800 NZD
Retailer 16$4,973 NZD
Retailer 4$5,593 NZD
Retailer 9$5,598 NZD
Retailer 11$6,370 NZD
Retailer 12$6,683 NZD
Retailer 6$8,101 NZD
Retailer 10$10,415 NZD
Adiamor$16,248 NZD
Retailer 7$29,244 NZD
Retailer 8$32,205 NZD

6 data points across 16 retailers

12 retailers$3,268 NZD to $16,248 NZD

A
Cheapest Retailer
-
$3,268 NZD
£1,448 GBP
A
Retailer 2
-
$3,508 NZD
$1,974 USD
View
A
Retailer 3
-
$3,818 NZD
$2,148 USD
View
A
Retailer 4
-
$4,070 NZD
$2,290 USD
View
A
Retailer 5
-
$4,363 NZD
$2,455 USD
View
A
Retailer 6
-
$4,800 NZD
HK$21,100 HKD
View
A
Retailer 7
-
$4,973 NZD
$2,798 USD
View
B+
Retailer 8
-
$5,593 NZD
$3,147 USD
View
B+
Retailer 9
-
$5,598 NZD
£2,480 GBP
View
B+
Retailer 10
-
$6,370 NZD
$3,584 USD
View
B+
Retailer 11
-
$6,683 NZD
$3,760 USD
View
Most Expensive
B
Adiamor
D-82828531 · Nov 2
$16,248 NZD
$9,142 USD
View
11 more retailers have this diamond
Prices start from $3,268 NZDSave up to $12,980 NZD

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
$3,268 NZD