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Princess|Lab Grown|IGI

2.51ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG744513987

Shape and cutting style on the report: Princess cut

Certificate IGI LG744513987

Diamond specifications and retailer prices

From £4,291 GBP
$5,750 USD
As of October 31, 2026
Save £1,941 GBP (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £6,233 GBP at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

About this 2.51ct lab-grown princess diamond

This 2.51ct lab-grown princess sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744513987 or 744513987. Listed at 2 retailers as of October 31, 2026, with prices from £4,291 to £6,233, a £1,941 spread on the same certified stone. Novita Diamonds lists it at £6,233. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513987
Dimensions7.37 × 7.35 × 5.26 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.37 mm7.35 mm2.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513987
Side View
Table 64.0%Crown 40.4°Girdle: Slightly ThickPavilion 37.4°Culet: NoneDepth 71.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £6,233 GBP|Low: £1,389 GBP|High: £11,389 GBP|Avg: £4,187 GBP|+0.3%
Novita Diamonds
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October 31, 2026
Retailer 16£1,389 GBP
Retailer 9£1,392 GBP
Retailer 7£1,933 GBP
Retailer 12£2,383 GBP
Retailer 2£2,652 GBP
Retailer 10£2,655 GBP
Retailer 4£3,038 GBP
Retailer 5£3,066 GBP
Retailer 15£3,080 GBP
Retailer 11£3,137 GBP
Retailer 14£4,291 GBP
Retailer 8£5,593 GBP
Retailer 13£5,677 GBP
Retailer 3£5,766 GBP
Novita Diamonds£6,233 GBP
Retailer 6£7,467 GBP
Retailer 17£11,389 GBP

6 data points across 17 retailers

2 retailers£4,291 GBP to £6,233 GBP

B+
Cheapest Retailer
-
£4,291 GBP
$5,750 USD
Most Expensive
B
Novita Diamonds
cert_744513987 · Oct 31
£6,233 GBP
A$12,848 AUD
View
1 more retailer has this diamond
Prices start from £4,291 GBPSave up to £1,941 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+
2.51ct Princess
£4,291 GBP