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Princess|Lab Grown|IGI

1.18ct D FL Princess Lab Grown Diamond

ID • D/FL

Diamond specifications and retailer prices

From £1,117 GBP
$1,497 USD
As of November 2, 2026
Save £402 GBP (26%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,520 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.18ct lab-grown princess diamond

This 1.18ct lab-grown princess sits in the classic one-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 2 retailers as of October 31, 2026, with prices from £1,117 to £1,520, a £402 spread on the same certified stone. Blue Nile lists it at £1,520. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions5.89 × 5.62 × 3.99 mm
L/W Ratio1.05
Top View
5.89 mm5.62 mm1.18 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 67.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 71.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £1,520 GBP|Low: £1,117 GBP|High: £1,767 GBP|Avg: £1,412 GBP|-14.0%
Blue Nile
Retailer 2
October 25, 2026
Retailer 2£1,117 GBP
Blue Nile£1,520 GBP

9 data points across 2 retailers

2 retailers£1,117 GBP to £1,520 GBP

B+
Cheapest Retailer
-
£1,117 GBP
$1,497 USD
Most Expensive
B
Blue Nile
29701299 · Oct 31
£1,520 GBP
$2,036 USD
View
1 more retailer has this diamond
Prices start from £1,117 GBPSave up to £402 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+
1.18ct Princess
£1,117 GBP