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Round|Lab Grown|IGI

2.71ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG500163358

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500163358

Diamond specifications and retailer prices

From £1,753 GBP
As of November 5, 2026
Save £3,677 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £5,429 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 2.71ct lab-grown round diamond

This 2.71ct lab-grown round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500163358 or 500163358. Listed at 9 retailers as of November 5, 2026, with prices from £1,753 to £5,429, a £3,677 spread on the same certified stone. MOH London lists it at £5,429. 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

2.71
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500163358
Dimensions8.87 × 8.94 × 5.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.87 mm8.94 mm2.71 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500163358
Side View
Table 59.5%Crown 35.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £5,429 GBP|Low: £1,753 GBP|High: £5,517 GBP|Avg: £3,058 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4£1,753 GBP
Retailer 5£2,034 GBP
Retailer 2£2,155 GBP
Retailer 7£2,585 GBP
Retailer 3£3,116 GBP
Retailer 6£3,171 GBP
MOH London£5,429 GBP

19 data points across 7 retailers

9 retailers£1,753 GBP to £5,429 GBP

A
Cheapest Retailer
-
£1,753 GBP
A
Retailer 2
-
£1,907 GBP
View
A
Retailer 3
-
£2,034 GBP
View
Retailer 4
-
£2,034 GBP
View
Price last confirmed 26 days ago
A
Retailer 5
-
£2,155 GBP
View
B
Retailer 6
-
£2,795 GBP
View
B
Retailer 7
-
£3,116 GBP
View
B
Retailer 8
-
£3,171 GBP
View
Most Expensive
B
MOH London
LG500163358 · Nov 5
£5,429 GBP
View
8 more retailers have this diamond
Prices start from £1,753 GBPSave up to £3,677 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
2.71ct Round
£1,753 GBP