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Princess|Lab Grown|IGI

2.91ct D FL Princess Lab Grown Diamond

EX • D/FL

Diamond specifications and retailer prices

From £1,237 GBP
$1,657 USD
As of October 30, 2026
Save £4,177 GBP (77%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £5,414 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 2.91ct lab-grown princess diamond

This 2.91ct lab-grown princess sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Listed at 5 retailers as of October 30, 2026, with prices from £1,237 to £5,414, a £4,177 spread on the same certified stone. Blue Nile lists it at £5,414. 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

2.91
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.88 × 7.81 × 5.43 mm
L/W Ratio1.01
Top View
7.88 mm7.81 mm2.91 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 67.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 69.5%

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: Oct 30
Current: £5,414 GBP|Low: £1,237 GBP|High: £10,028 GBP|Avg: £3,912 GBP|-7.3%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2£1,237 GBP
Retailer 5£1,346 GBP
Retailer 3£1,588 GBP
Retailer 4£2,967 GBP
Blue Nile£5,414 GBP
Retailer 6£10,028 GBP

11 data points across 6 retailers

5 retailers£1,237 GBP to £5,414 GBP

A
Cheapest Retailer
-
£1,237 GBP
$1,657 USD
A
Retailer 2
-
£1,346 GBP
$1,803 USD
View
A
Retailer 3
-
£1,588 GBP
$2,128 USD
View
B+
Retailer 4
-
£2,967 GBP
$3,976 USD
View
Most Expensive
B
Blue Nile
30353795 · Oct 31
£5,414 GBP
$7,254 USD
View
4 more retailers have this diamond
Prices start from £1,237 GBPSave up to £4,177 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
2.91ct Princess
£1,237 GBP