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Round|Lab Grown|IGI

0.65ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LGS3A41066

Certificate IGI LGS3A41066

Diamond specifications and retailer prices

From £359 GBP
₹45,499 INR
As of October 29, 2026
Save £288 GBP (45%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £647 GBP at Yorxs · As of October 28, 2026
View at Yorxs

About this 0.65ct lab-grown round diamond

This 0.65ct lab-grown round sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LGS3A41066 or S3A41066. Listed at 2 retailers as of October 28, 2026, with prices from £359 to £647, a £288 spread on the same certified stone. Yorxs lists it at £647. 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

0.65
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LGS3A41066
Dimensions5.58 × 5.62 × 3.42 mm
L/W Ratio1.01
Top View
5.58 mm5.62 mm0.65 ctJ / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LGS3A41066
Side View
Table 55.5%CrownGirdle: MED-STKPavilionCulet: MediumDepth 61.1%

Caratlytics Score

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

Last verified: Oct 29
Current: £359 GBP|Low: £356 GBP|High: £647 GBP|Avg: £520 GBP|-0.8%
Retailer 1
Retailer 2
Yorxs
October 29, 2026
Retailer 1£359 GBP
Retailer 2£565 GBP
Yorxs£647 GBP

43 data points across 3 retailers

2 retailers£359 GBP to £647 GBP

B+
Cheapest Retailer
-
£359 GBP
₹45,499 INR
Most Expensive
B
Yorxs
MF 41 · Oct 28
£647 GBP
€820 EUR
View
1 more retailer has this diamond
Prices start from £359 GBPSave up to £288 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+
0.65ct Round
£359 GBP