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Princess|Lab Grown|IGI

1.11ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG801621907

Shape and cutting style on the report: Princess cut

Certificate IGI LG801621907

Diamond specifications and retailer prices

From £199 GBP
$266 USD
As of October 30, 2026
Save £1,279 GBP (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,478 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.11ct lab-grown princess diamond

This 1.11ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801621907 or 801621907. Listed at 14 retailers as of October 30, 2026, with prices from £199 to £1,478, a £1,279 spread on the same certified stone. Brilliant Earth lists it at £1,478. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.11
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801621907
Dimensions5.59 × 5.59 × 3.96 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
5.59 mm5.59 mm1.11 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801621907
Side View
Table 75.0%Crown 45.1°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 70.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,478 GBP|Low: £192 GBP|High: £1,970 GBP|Avg: £650 GBP|-25.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 13£199 GBP
Retailer 4£231 GBP
Retailer 6£235 GBP
Retailer 12£343 GBP
Retailer 2£366 GBP
Retailer 7£413 GBP
Retailer 3£431 GBP
Retailer 9£600 GBP
Retailer 11£638 GBP
Retailer 14£793 GBP
Retailer 5£883 GBP
Retailer 10£989 GBP
Retailer 8£993 GBP
Brilliant Earth£1,478 GBP

33 data points across 14 retailers

14 retailers£199 GBP to £1,478 GBP

A
Cheapest Retailer
-
£199 GBP
$266 USD
A
Retailer 2
-
£231 GBP
$309 USD
View
A
Retailer 3
-
£235 GBP
$315 USD
View
Final sale: no returns
A
Retailer 4
-
£343 GBP
$460 USD
View
A
Retailer 5
-
£366 GBP
$490 USD
View
A
Retailer 6
-
£413 GBP
€527 EUR
View
A
Retailer 7
-
£431 GBP
$577 USD
View
B+
Retailer 8
-
£600 GBP
A$1,237 AUD
View
B+
Retailer 9
-
£638 GBP
$855 USD
View
B+
Retailer 10
-
£793 GBP
$1,062 USD
View
B+
Retailer 11
-
£894 GBP
$1,198 USD
View
B
Retailer 12
-
£989 GBP
$1,325 USD
View
B+
Retailer 13
-
£993 GBP
View
Most Expensive
B
Brilliant Earth
20050709A · Oct 31
£1,478 GBP
$1,980 USD
View
13 more retailers have this diamond
Prices start from £199 GBPSave up to £1,279 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
1.11ct Princess
£199 GBP