Princess|Lab Grown|IGI

1.83ct J I1 Princess Lab Grown Diamond

ID • J/I1 • IGI LG447000354

Shape and cutting style on the report: Princess cut

Certificate IGI LG447000354

Diamond specifications and retailer prices

From £701 GBP
$939 USD
As of October 30, 2026
Save £1,586 GBP (69%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,762 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.83ct lab-grown princess diamond

This 1.83ct lab-grown princess sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG447000354 or 447000354. Listed at 8 retailers as of October 30, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
J
Colour
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000354
Dimensions6.68 × 6.52 × 4.70 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
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Top View
6.68 mm6.52 mm1.83 ctJ / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447000354
Side View
Table 73.0%Crown 45.1°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 72.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,762 GBP|Low: £673 GBP|High: £2,791 GBP|Avg: £1,280 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 25, 2026
Retailer 3£701 GBP
Retailer 8£763 GBP
Retailer 4£813 GBP
Retailer 7£813 GBP
Retailer 9£1,207 GBP
Retailer 5£1,303 GBP
Retailer 2£1,753 GBP
Retailer 6£2,287 GBP
MOH London£2,762 GBP

13 data points across 9 retailers

8 retailers£701 GBP to £2,287 GBP

B+
Cheapest Retailer
-
£701 GBP
$939 USD
B+
Retailer 2
-
£763 GBP
$1,022 USD
View
B+
Retailer 3
-
£813 GBP
$1,090 USD
View
Retailer 4
-
£813 GBP
$1,090 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
£1,303 GBP
$1,746 USD
View
B
Retailer 6
-
£1,753 GBP
$2,349 USD
View
B
Retailer 7
-
£2,287 GBP
$3,064 USD
View
Most Expensive
MOH London
LG447000354 · Oct 25
£2,762 GBP
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from £701 GBPSave up to £1,586 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+
1.83ct Princess
£701 GBP