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Princess|Lab Grown|IGI

1.81ct J SI1 Princess Lab Grown Diamond

ID • J/SI1 • IGI LG447000350

Shape and cutting style on the report: Princess cut

Certificate IGI LG447000350

Diamond specifications and retailer prices

From £754 GBP
$1,010 USD
As of October 30, 2026
Save £3,553 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,307 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447000350 or 447000350. Listed at 11 retailers as of October 29, 2026, with prices from £754 to £4,307, a £3,553 spread on the same certified stone. MOH London lists it at £4,307. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle46.5°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000350
Dimensions6.72 × 6.54 × 4.77 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
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Top View
6.72 mm6.54 mm1.81 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447000350
Side View
Table 68.0%Crown 46.5°Girdle: MED-STKPavilion 38°Culet: NoneDepth 72.9%

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: £4,307 GBP|Low: £754 GBP|High: £4,341 GBP|Avg: £2,200 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2£754 GBP
Retailer 5£1,293 GBP
Retailer 7£1,448 GBP
Retailer 10£1,479 GBP
Retailer 3£1,524 GBP
Retailer 8£1,627 GBP
Retailer 9£2,005 GBP
Retailer 6£2,355 GBP
Retailer 4£2,586 GBP
Retailer 11£4,295 GBP
MOH London£4,307 GBP

15 data points across 11 retailers

11 retailers£754 GBP to £4,307 GBP

A
Cheapest Retailer
-
£754 GBP
$1,010 USD
B+
Retailer 2
-
£1,293 GBP
$1,733 USD
View
B+
Retailer 3
-
£1,407 GBP
$1,885 USD
View
B+
Retailer 4
-
£1,448 GBP
$1,940 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,500 GBP
$2,010 USD
View
Retailer 6
-
£1,500 GBP
$2,010 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
£1,627 GBP
$2,180 USD
View
B
Retailer 8
-
£2,355 GBP
$3,155 USD
View
B
Retailer 9
-
£2,586 GBP
$3,465 USD
View
B
Retailer 10
-
£2,811 GBP
$3,767 USD
View
Most Expensive
B
MOH London
LG447000350 · Oct 29
£4,307 GBP
View
10 more retailers have this diamond
Prices start from £754 GBPSave up to £3,553 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
£754 GBP