Princess|Lab Grown|IGI

1.81ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG717596230

Shape and cutting style on the report: Princess cut

Certificate IGI LG717596230

Diamond specifications and retailer prices

From £514 GBP
$684 USD
As of October 27, 2026
Save £2,062 GBP (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,576 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.81ct lab-grown princess diamond

This 1.81ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG717596230 or 717596230. Listed at 21 retailers as of October 27, 2026, with prices from £514 to £2,576, a £2,062 spread on the same certified stone. Brilliant Earth lists it at £2,576. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717596230
Dimensions6.80 × 6.67 × 4.46 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.80 mm6.67 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717596230
Side View
Table 67.0%Crown 40.6°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 66.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £2,576 GBP|Low: £559 GBP|High: £2,576 GBP|Avg: £1,392 GBP
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 29, 2026
Retailer 5£559 GBP
Retailer 10£610 GBP
Retailer 11£728 GBP
Retailer 14£852 GBP
Retailer 2£951 GBP
Retailer 7£968 GBP
Retailer 9£1,095 GBP
Retailer 12£1,481 GBP
Retailer 13£1,521 GBP
Retailer 6£1,854 GBP
Retailer 3£1,927 GBP
Retailer 4£2,004 GBP
Retailer 8£2,522 GBP
Brilliant Earth£2,576 GBP

40 data points across 14 retailers

21 retailers£514 GBP to £2,576 GBP

A
Cheapest Retailer
-
£514 GBP
$684 USD
A
Retailer 2
-
£559 GBP
$744 USD
View
A
Retailer 3
-
£595 GBP
$793 USD
View
A
Retailer 4
-
£595 GBP
$793 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£610 GBP
$812 USD
View
Final sale: no returns
A
Retailer 6
-
£728 GBP
$970 USD
View
A
Retailer 7
-
£852 GBP
$1,135 USD
View
A
Retailer 8
-
£951 GBP
View
A
Retailer 9
-
£968 GBP
€1,228 EUR
View
A
Retailer 10
-
£1,095 GBP
ZAR 23,550 ZAR
View
A
Retailer 11
-
£1,156 GBP
$1,539 USD
View
A
Retailer 12
-
£1,481 GBP
A$3,035 AUD
View
Price last confirmed 8 days ago
A
Retailer 13
-
£1,521 GBP
$2,026 USD
View
B+
Retailer 14
-
£1,675 GBP
$2,230 USD
View
B+
Retailer 15
-
£1,854 GBP
View
B+
Retailer 16
-
£1,927 GBP
$2,566 USD
View
B+
Retailer 17
-
£2,004 GBP
SGD 3,607 SGD
View
B+
Retailer 18
-
£2,031 GBP
$2,705 USD
View
B+
Retailer 19
-
£2,054 GBP
$2,735 USD
View
B+
Retailer 20
-
£2,522 GBP
View
Most Expensive
B
Brilliant Earth
18190606A · Oct 29
£2,576 GBP
$3,430 USD
View
20 more retailers have this diamond
Prices start from £514 GBPSave up to £2,062 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
1.81ct Princess
£514 GBP