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Round|Lab Grown|IGI

11.26ct G SI1 Round Lab Grown Diamond

ID • G/SI1

Diamond specifications and retailer prices

From £1,714 GBP
$2,296 USD
As of October 30, 2026
Save £5,682 GBP (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £7,395 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 11.26ct lab-grown round diamond

This 11.26ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 4 retailers as of October 30, 2026, with prices from £1,714 to £7,395, a £5,682 spread on the same certified stone. The Diamond Guys lists it at £7,395. 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

11.26
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions14.42 × 14.55 × 8.74 mm
L/W Ratio1.01
Top View
14.42 mm14.55 mm11.26 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 60.0%CrownGirdle: MediumPavilionCulet: NoneDepth 60.3%

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: Oct 30
Current: £4,172 GBP|Low: £1,714 GBP|High: £7,395 GBP|Avg: £4,241 GBP
Retailer 1
Retailer 2
Retailer 3
The Diamond Guys
October 25, 2026
Retailer 2£1,714 GBP
Retailer 3£2,796 GBP
Retailer 1£4,172 GBP
The Diamond Guys£7,395 GBP

3 data points across 4 retailers

4 retailers£1,714 GBP to £7,395 GBP

A
Cheapest Retailer
-
£1,714 GBP
$2,296 USD
B+
Retailer 2
-
£2,796 GBP
CA$5,202 CAD
View
B
Retailer 3
-
£4,172 GBP
$5,590 USD
View
Most Expensive
C
The Diamond Guys
1992504678 · Oct 30
£7,395 GBP
$9,909 USD
View
3 more retailers have this diamond
Prices start from £1,714 GBPSave up to £5,682 GBP

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
11.26ct Round
£1,714 GBP