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11.56ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG577382882

Shape and cutting style on the report: Round brilliant

Certificate IGI LG577382882

Diamond specifications and retailer prices

From $2,481 NZD
£1,099 GBP
As of November 2, 2026
Save $9,581 NZD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,063 NZD at Adiamor · As of November 2, 2026
View at Adiamor

About this 11.56ct lab-grown round diamond

This 11.56ct lab-grown round 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 LG577382882 or 577382882. Listed at 14 retailers as of November 2, 2026, with prices from $2,481 to $12,063, a $9,581 spread on the same certified stone. Adiamor lists it at $12,063. 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

11.56
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577382882
Dimensions14.50 × 14.61 × 8.92 mm
L/W Ratio1.01
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
14.50 mm14.61 mm11.56 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577382882
Side View
Table 56.5%Crown 34.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

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: $12,063 NZD|Low: $2,481 NZD|High: $41,748 NZD|Avg: $9,799 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$2,481 NZD
Retailer 13$2,662 NZD
Retailer 11$2,897 NZD
Retailer 3$3,089 NZD
Retailer 14$3,395 NZD
Retailer 4$3,640 NZD
Retailer 16$4,093 NZD
Retailer 9$4,346 NZD
Retailer 10$4,868 NZD
Retailer 15$4,977 NZD
Retailer 12$5,607 NZD
Retailer 6$5,790 NZD
Retailer 5$9,766 NZD
Adiamor$12,063 NZD
Retailer 8$30,676 NZD
Retailer 7$41,748 NZD

6 data points across 16 retailers

14 retailers$2,481 NZD to $12,063 NZD

A
Cheapest Retailer
-
$2,481 NZD
£1,099 GBP
A
Retailer 2
-
$2,662 NZD
$1,498 USD
View
A
Retailer 3
-
$2,897 NZD
$1,630 USD
View
A
Retailer 4
-
$3,089 NZD
$1,738 USD
View
A
Retailer 5
-
$3,395 NZD
$1,910 USD
View
A
Retailer 6
-
$3,640 NZD
HK$16,000 HKD
View
A
Retailer 7
-
$4,093 NZD
$2,303 USD
View
A
Retailer 8
-
$4,346 NZD
£1,925 GBP
View
B+
Retailer 9
-
$4,868 NZD
$2,739 USD
View
A
Retailer 10
-
$4,977 NZD
€2,667 EUR
View
B+
Retailer 11
-
$5,607 NZD
$3,155 USD
View
B+
Retailer 12
-
$5,790 NZD
$3,258 USD
View
B
Retailer 13
-
$9,766 NZD
$5,495 USD
View
Most Expensive
B
Adiamor
D-82834942 · Nov 2
$12,063 NZD
$6,787 USD
View
13 more retailers have this diamond
Prices start from $2,481 NZDSave up to $9,581 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
11.56ct Round
$2,481 NZD