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Oval|Lab Grown|IGI

11.20ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG546230806

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG546230806

Diamond specifications and retailer prices

From $4,021 NZD
£1,781 GBP
As of November 2, 2026
Save $24,701 NZD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $28,721 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.2ct lab-grown oval diamond

This 11.2ct 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 LG546230806 or 546230806. Listed at 11 retailers as of October 31, 2026, with prices from $4,021 to $28,721, a $24,701 spread on the same certified stone. Brilliant Earth lists it at $28,721. 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

11.20
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546230806
Dimensions17.99 × 12.66 × 7.87 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
17.99 mm12.66 mm11.20 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546230806
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

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: $31,156 NZD|Low: $3,219 NZD|High: $31,156 NZD|Avg: $13,088 NZD
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
November 2, 2026
Retailer 2$4,021 NZD
Retailer 11$4,536 NZD
Retailer 15$5,714 NZD
Retailer 7$5,847 NZD
Retailer 6$6,532 NZD
Retailer 10$6,839 NZD
Retailer 12$6,882 NZD
Retailer 5$7,728 NZD
Retailer 4$10,007 NZD
Retailer 9$10,015 NZD
Retailer 16$11,977 NZD
Retailer 13$17,475 NZD
Retailer 3$19,269 NZD
Retailer 14$21,470 NZD
Retailer 8$28,383 NZD
Brilliant Earth$31,156 NZD

12 data points across 16 retailers

11 retailers$4,021 NZD to $28,721 NZD

A
Cheapest Retailer
-
$4,021 NZD
£1,781 GBP
A
Retailer 2
-
$4,536 NZD
$2,552 USD
View
B+
Retailer 3
-
$5,714 NZD
$3,215 USD
View
B
Retailer 4
-
$6,839 NZD
£3,030 GBP
View
B+
Retailer 5
-
$6,882 NZD
$3,872 USD
View
B
Retailer 6
-
$10,007 NZD
$5,631 USD
View
B
Retailer 7
-
$11,977 NZD
$6,739 USD
View
B
Retailer 8
-
$17,475 NZD
$9,832 USD
View
B
Retailer 9
-
$19,269 NZD
$10,842 USD
View
B
Retailer 10
-
$21,470 NZD
$12,080 USD
View
Most Expensive
B
Brilliant Earth
22301497A · Oct 31
$28,721 NZD
$16,160 USD
View
10 more retailers have this diamond
Prices start from $4,021 NZDSave up to $24,701 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
11.20ct Oval
$4,021 NZD