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Round|Lab Grown|IGI

11.54ct F SI1 Round Lab Grown Diamond

ID • F/SI1

Diamond specifications and retailer prices

From $4,401 NZD
£1,950 GBP
As of November 2, 2026
Save $9,323 NZD (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $13,724 NZD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 11.54ct lab-grown round diamond

This 11.54ct 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. Listed at 4 retailers as of October 31, 2026, with prices from $4,401 to $13,724, a $9,323 spread on the same certified stone. Blue Nile lists it at $13,724. 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
OriginLab Grown
Grading LabIGI
Dimensions14.58 × 14.68 × 8.91 mm
L/W Ratio1.01
Top View
14.58 mm14.68 mm11.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 56.0%CrownGirdle: MediumPavilionCulet: NoneDepth 60.9%

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: $13,724 NZD|Low: $4,400 NZD|High: $13,724 NZD|Avg: $7,752 NZD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2$4,401 NZD
Retailer 4$5,725 NZD
Retailer 3$6,905 NZD
Blue Nile$13,724 NZD

37 data points across 4 retailers

4 retailers$4,401 NZD to $13,724 NZD

A
Cheapest Retailer
-
$4,401 NZD
£1,950 GBP
B+
Retailer 2
-
$5,725 NZD
$3,221 USD
View
B+
Retailer 3
-
$6,905 NZD
CA$5,396 CAD
View
Most Expensive
B
Blue Nile
29064501 · Oct 31
$13,724 NZD
$7,722 USD
View
3 more retailers have this diamond
Prices start from $4,401 NZDSave up to $9,323 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 Round
$4,401 NZD