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Round|Lab Grown|IGI

1.15ct F FL Round Lab Grown Diamond

EX • F/FL

Diamond specifications and retailer prices

From £167 GBP
$224 USD
As of November 1, 2026
Save £218 GBP (57%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £385 GBP at B2C Jewels · As of November 2, 2026
View at B2C Jewels

About this 1.15ct lab-grown round diamond

This 1.15ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Listed at 3 retailers as of November 1, 2026, with prices from £167 to £385, a £218 spread on the same certified stone. B2C Jewels lists it at £385. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
F
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.73 × 6.78 × 4.13 mm
L/W Ratio1.01
Top View
6.73 mm6.78 mm1.15 ctF / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £385 GBP|Low: £167 GBP|High: £1,609 GBP|Avg: £604 GBP|-5.1%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
October 24, 2026
Retailer 3£167 GBP
Retailer 2£193 GBP
B2C Jewels£385 GBP
Retailer 4£1,609 GBP

10 data points across 4 retailers

3 retailers£167 GBP to £385 GBP

A
Cheapest Retailer
-
£167 GBP
$224 USD
A
Retailer 2
-
£193 GBP
$259 USD
View
Most Expensive
B+
B2C Jewels
36966643 · Nov 2
£385 GBP
$516 USD
View
2 more retailers have this diamond
Prices start from £167 GBPSave up to £218 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
1.15ct Round
£167 GBP