Round|Lab Grown|IGI

11.54ct F SI1 Round Lab Grown Diamond

ID • F/SI1

Diamond specifications and retailer prices

From $2,476 USD
£1,950 GBP
As of November 1, 2026
Save $5,246 USD (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $7,722 USD 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 $2,476 to $7,722, a $5,246 spread on the same certified stone. Blue Nile lists it at $7,722. 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
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
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Price History

Last verified: Nov 1
Current: $7,722 USD|Low: $2,475 USD|High: $7,722 USD|Avg: $4,363 USD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 2$2,476 USD
Retailer 4$3,221 USD
Retailer 3$3,885 USD
Blue Nile$7,722 USD

36 data points across 4 retailers

4 retailers$2,476 USD to $7,722 USD

A
Cheapest Retailer
-
$2,476 USD
£1,950 GBP
B+
Retailer 2
-
$3,221 USD
View
B+
Retailer 3
-
$3,885 USD
CA$5,396 CAD
View
Most Expensive
B
Blue Nile
29064501 · Oct 31
$7,722 USD
View
3 more retailers have this diamond
Prices start from $2,476 USDSave up to $5,246 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 Round
$2,476 USD