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Princess|Lab Grown|IGI

1.81ct J SI2 Princess Lab Grown Diamond

ID • J/SI2 • IGI LG445037886

Shape and cutting style on the report: Princess cut

Certificate IGI LG445037886

Diamond specifications and retailer prices

From £918 GBP
$1,230 USD
As of October 30, 2026
Save £2,522 GBP (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,440 GBP at MOH London · As of October 29, 2026
View at MOH London

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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037886 or 445037886. Listed at 10 retailers as of October 29, 2026, with prices from £918 to £3,440, a £2,522 spread on the same certified stone. MOH London lists it at £3,440. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.81
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037886
Dimensions6.82 × 6.72 × 4.54 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
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Top View
6.82 mm6.72 mm1.81 ctJ / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445037886
Side View
Table 72.5%Crown 41.7°Girdle: THN-MEDPavilion 38°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
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: £3,440 GBP|Low: £918 GBP|High: £3,467 GBP|Avg: £1,689 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2£918 GBP
Retailer 3£963 GBP
Retailer 5£1,028 GBP
Retailer 7£1,511 GBP
Retailer 4£1,688 GBP
Retailer 6£2,040 GBP
MOH London£3,440 GBP

13 data points across 7 retailers

10 retailers£918 GBP to £3,440 GBP

A
Cheapest Retailer
-
£918 GBP
$1,230 USD
A
Retailer 2
-
£963 GBP
$1,290 USD
View
A
Retailer 3
-
£999 GBP
$1,338 USD
View
A
Retailer 4
-
£1,028 GBP
$1,378 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,065 GBP
$1,427 USD
View
Retailer 6
-
£1,065 GBP
$1,427 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
£1,688 GBP
$2,262 USD
View
B
Retailer 8
-
£1,996 GBP
$2,674 USD
View
B
Retailer 9
-
£2,040 GBP
$2,733 USD
View
Most Expensive
B
MOH London
LG445037886 · Oct 29
£3,440 GBP
View
9 more retailers have this diamond
Prices start from £918 GBPSave up to £2,522 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
£918 GBP