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Princess|Lab Grown|IGI

2.51ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG536201798

Shape and cutting style on the report: Princess cut

Certificate IGI LG536201798

Diamond specifications and retailer prices

From £1,449 GBP
As of November 4, 2026
Save £7,611 GBP (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £9,060 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 2.51ct lab-grown princess diamond

This 2.51ct lab-grown princess sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG536201798 or 536201798. Listed at 15 retailers as of November 4, 2026, with prices from £1,449 to £9,060, a £7,611 spread on the same certified stone. Reve Diamonds lists it at £9,060. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536201798
Dimensions7.39 × 7.36 × 5.20 mm
L/W Ratio1.00
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
7.39 mm7.36 mm2.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536201798
Side View
Table 68.5%Crown 39.4°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 70.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £4,652 GBP|Low: £1,449 GBP|High: £7,518 GBP|Avg: £4,222 GBP|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6£1,449 GBP
Retailer 8£2,986 GBP
Retailer 3£3,129 GBP
Retailer 2£3,464 GBP
Retailer 9£3,464 GBP
Retailer 11£4,328 GBP
Retailer 5£4,504 GBP
Retailer 7£4,594 GBP
Retailer 1£4,652 GBP
Retailer 10£5,364 GBP
Retailer 4£7,399 GBP

46 data points across 11 retailers

15 retailers£1,449 GBP to £9,060 GBP

A
Cheapest Retailer
-
£1,449 GBP
B
Retailer 2
-
£2,986 GBP
View
B
Retailer 3
-
£3,129 GBP
View
B
Retailer 4
-
£3,150 GBP
View
B
Retailer 5
-
£3,344 GBP
View
Final sale: no returns
B
Retailer 6
-
£3,464 GBP
View
Retailer 7
-
£3,464 GBP
View
Price last confirmed 25 days ago
B
Retailer 8
-
£3,503 GBP
View
B
Retailer 9
-
£4,328 GBP
View
B
Retailer 10
-
£4,504 GBP
View
B
Retailer 11
-
£4,594 GBP
View
B
Retailer 12
-
£4,652 GBP
View
B
Retailer 13
-
£5,364 GBP
View
B
Retailer 14
-
£7,399 GBP
View
Most Expensive
B
Reve Diamonds
4B2E61ECD · Nov 6
£9,060 GBP
$12,194 USD
View
14 more retailers have this diamond
Prices start from £1,449 GBPSave up to £7,611 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
£1,449 GBP