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Round|Lab Grown|IGI

2.87ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG485163251

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485163251

Diamond specifications and retailer prices

From £1,855 GBP
As of November 5, 2026
Save £3,891 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £5,747 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 2.87ct lab-grown round diamond

This 2.87ct 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 LG485163251 or 485163251. Listed at 9 retailers as of November 5, 2026, with prices from £1,855 to £5,747, a £3,891 spread on the same certified stone. MOH London lists it at £5,747. 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

2.87
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485163251
Dimensions9.07 × 9.10 × 5.65 mm
L/W Ratio1.00
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
9.07 mm9.10 mm2.87 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485163251
Side View
Table 54.5%Crown 35.7°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £5,747 GBP|Low: £1,855 GBP|High: £5,839 GBP|Avg: £3,206 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4£1,855 GBP
Retailer 5£2,152 GBP
Retailer 2£2,274 GBP
Retailer 7£2,726 GBP
Retailer 3£3,227 GBP
Retailer 6£3,355 GBP
MOH London£5,747 GBP

21 data points across 7 retailers

9 retailers£1,855 GBP to £5,747 GBP

A
Cheapest Retailer
-
£1,855 GBP
A
Retailer 2
-
£2,019 GBP
View
Retailer 3
-
£2,152 GBP
View
Price last confirmed 25 days ago
A
Retailer 4
-
£2,152 GBP
View
A
Retailer 5
-
£2,274 GBP
View
B
Retailer 6
-
£2,958 GBP
View
B
Retailer 7
-
£3,227 GBP
View
B
Retailer 8
-
£3,355 GBP
View
Most Expensive
B
MOH London
LG485163251 · Nov 5
£5,747 GBP
View
8 more retailers have this diamond
Prices start from £1,855 GBPSave up to £3,891 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
2.87ct Round
£1,855 GBP