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Princess|Lab Grown|IGI

2.51ct K SI1 Princess Lab Grown Diamond

ID • K/SI1 • IGI LG447000682

Shape and cutting style on the report: Princess cut

Certificate IGI LG447000682

Diamond specifications and retailer prices

From £1,569 GBP
As of November 6, 2026
Save £3,355 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,925 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 2.51ct lab-grown princess diamond

This 2.51ct lab-grown princess 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 LG447000682 or 447000682. Listed at 9 retailers as of November 5, 2026, with prices from £1,569 to £4,925, a £3,355 spread on the same certified stone. MOH London lists it at £4,925. 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

2.51
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle49.4°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000682
Dimensions7.27 × 7.21 × 5.13 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
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Top View
7.27 mm7.21 mm2.51 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447000682
Side View
Table 72.5%Crown 49.4°Girdle: THK-VTKPavilion 36.3°Culet: NoneDepth 71.2%

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: Nov 6
Current: £4,925 GBP|Low: £1,569 GBP|High: £6,512 GBP|Avg: £3,431 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4£1,569 GBP
Retailer 3£1,943 GBP
Retailer 6£2,334 GBP
Retailer 5£2,844 GBP
Retailer 2£2,918 GBP
MOH London£4,925 GBP
Retailer 7£6,512 GBP

15 data points across 7 retailers

9 retailers£1,569 GBP to £4,925 GBP

A
Cheapest Retailer
-
£1,569 GBP
A
Retailer 2
-
£1,707 GBP
View
B+
Retailer 3
-
£1,820 GBP
View
Retailer 4
-
£1,820 GBP
View
Price last confirmed 26 days ago
A
Retailer 5
-
£1,943 GBP
View
B+
Retailer 6
-
£2,502 GBP
View
B
Retailer 7
-
£2,844 GBP
View
B
Retailer 8
-
£2,918 GBP
View
Most Expensive
B
MOH London
LG447000682 · Nov 5
£4,925 GBP
View
8 more retailers have this diamond
Prices start from £1,569 GBPSave up to £3,355 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
2.51ct Princess
£1,569 GBP