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Round|Lab Grown|IGI

1.16ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LGS2F15860

Certificate IGI LGS2F15860

Diamond specifications and retailer prices

From £1,112 GBP
As of November 5, 2026
Save £780 GBP (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,892 GBP at Yorxs · As of November 2, 2026
View at Yorxs

About this 1.16ct lab-grown round diamond

This 1.16ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LGS2F15860 or S2F15860. Listed at 2 retailers as of November 2, 2026, with prices from £1,112 to £1,892, a £780 spread on the same certified stone. Yorxs lists it at £1,892. 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

1.16
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LGS2F15860
Dimensions6.74 × 6.77 × 4.19 mm
L/W Ratio1.00
Top View
6.74 mm6.77 mm1.16 ctJ / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LGS2F15860
Side View
Table 56.0%CrownGirdlePavilionCuletDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £1,112 GBP|Low: £1,112 GBP|High: £1,900 GBP|Avg: £1,465 GBP|-2.4%
Retailer 1
Retailer 2
Yorxs
November 5, 2026
Retailer 1£1,112 GBP
Retailer 2£1,435 GBP
Yorxs£1,892 GBP

44 data points across 3 retailers

2 retailers£1,112 GBP to £1,892 GBP

B+
Cheapest Retailer
-
£1,112 GBP
Most Expensive
C
Yorxs
ST-515 · Nov 2
£1,892 GBP
€2,425 EUR
View
1 more retailer has this diamond
Prices start from £1,112 GBPSave up to £780 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.

B+
1.16ct Round
£1,112 GBP