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Princess|Lab Grown|IGI

2.51ct D IF Princess Lab Grown Diamond

ID • D/IF

Diamond specifications and retailer prices

From £1,205 GBP
As of October 30, 2026
Save £3,530 GBP (75%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £4,735 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

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. Listed at 2 retailers as of October 30, 2026, with prices from £1,205 to £4,735, a £3,530 spread on the same certified stone. Blue Nile lists it at £4,735. 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
OriginLab Grown
Grading LabIGI
Dimensions7.34 × 7.23 × 5.24 mm
L/W Ratio1.02
Top View
7.34 mm7.23 mm2.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 69.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 72.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £4,735 GBP|Low: £1,205 GBP|High: £4,735 GBP|Avg: £2,877 GBP
Blue Nile
Retailer 2
October 30, 2026
Retailer 2£1,205 GBP
Blue Nile£4,735 GBP

38 data points across 2 retailers

2 retailers£1,205 GBP to £4,735 GBP

A
Cheapest Retailer
-
£1,205 GBP
Most Expensive
B
Blue Nile
27421070 · Oct 31
£4,735 GBP
$6,345 USD
View
1 more retailer has this diamond
Prices start from £1,205 GBPSave up to £3,530 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
£1,205 GBP