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Round|Lab Grown|IGI

0.26ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG727584404

Shape and cutting style on the report: Round brilliant

Certificate IGI LG727584404

Diamond specifications and retailer prices

From £58 GBP
$78 USD
As of October 29, 2026
Save £237 GBP (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £296 GBP at B2C Jewels · As of October 30, 2026
View at B2C Jewels

About this 0.26ct lab-grown round diamond

This 0.26ct lab-grown round sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG727584404 or 727584404. Listed at 12 retailers as of October 29, 2026, with prices from £58 to £296, a £237 spread on the same certified stone. B2C Jewels lists it at £296. 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

0.26
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727584404
Dimensions4.18 × 4.16 × 2.48 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.18 mm4.16 mm0.26 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727584404
Side View
Table 59.0%Crown 32.3°Girdle: MED-MEDPavilion 40.9°Culet: NoneDepth 59.6%

Caratlytics Score

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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: Oct 29
Current: £296 GBP|Low: £56 GBP|High: £296 GBP|Avg: £162 GBP|+1.3%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 7£58 GBP
Retailer 12£68 GBP
Retailer 9£77 GBP
Retailer 11£77 GBP
Retailer 6£97 GBP
Retailer 8£103 GBP
Retailer 13£134 GBP
Retailer 2£143 GBP
Retailer 3£209 GBP
Retailer 10£233 GBP
Retailer 5£278 GBP
Retailer 4£292 GBP
B2C Jewels£296 GBP

18 data points across 13 retailers

12 retailers£58 GBP to £296 GBP

A
Cheapest Retailer
-
£58 GBP
$78 USD
A
Retailer 2
-
£68 GBP
$91 USD
View
A
Retailer 3
-
£77 GBP
$103 USD
View
A
Retailer 4
-
£77 GBP
$103 USD
View
Retailer 5
-
£97 GBP
$130 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£103 GBP
$138 USD
View
B+
Retailer 7
-
£134 GBP
$180 USD
View
A
Retailer 8
-
£143 GBP
€182 EUR
View
B
Retailer 9
-
£209 GBP
SGD 379 SGD
View
B
Retailer 10
-
£233 GBP
$312 USD
View
B
Retailer 11
-
£278 GBP
$372 USD
View
Most Expensive
B
B2C Jewels
31235377 · Oct 30
£296 GBP
$396 USD
View
11 more retailers have this diamond
Prices start from £58 GBPSave up to £237 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
0.26ct Round
£58 GBP