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Princess|Lab Grown|IGI

1.80ct J SI1 Princess Lab Grown Diamond

ID • J/SI1 • IGI LG442067003

Shape and cutting style on the report: Princess cut

Certificate IGI LG442067003

Diamond specifications and retailer prices

From £754 GBP
$1,010 USD
As of October 30, 2026
Save £3,529 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,283 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.8ct lab-grown princess diamond

This 1.8ct 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 LG442067003 or 442067003. Listed at 11 retailers as of October 29, 2026, with prices from £754 to £4,283, a £3,529 spread on the same certified stone. MOH London lists it at £4,283. 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

1.80
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442067003
Dimensions6.58 × 6.40 × 4.85 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
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Top View
6.58 mm6.40 mm1.80 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG442067003
Side View
Table 70.5%Crown 45.8°Girdle: MED-THKPavilion 40°Culet: NoneDepth 75.8%

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: £4,283 GBP|Low: £754 GBP|High: £4,317 GBP|Avg: £2,184 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£1,286 GBP
Retailer 7£1,440 GBP
Retailer 10£1,471 GBP
Retailer 3£1,519 GBP
Retailer 8£1,620 GBP
Retailer 9£1,996 GBP
Retailer 6£2,343 GBP
Retailer 4£2,572 GBP
Retailer 11£4,271 GBP
MOH London£4,283 GBP

13 data points across 11 retailers

11 retailers£754 GBP to £4,283 GBP

A
Cheapest Retailer
-
£754 GBP
$1,010 USD
B+
Retailer 2
-
£1,286 GBP
$1,723 USD
View
B+
Retailer 3
-
£1,399 GBP
$1,875 USD
View
B+
Retailer 4
-
£1,440 GBP
$1,929 USD
View
Final sale: no returns
Retailer 5
-
£1,492 GBP
$1,999 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
£1,492 GBP
$1,999 USD
View
B+
Retailer 7
-
£1,620 GBP
$2,170 USD
View
B
Retailer 8
-
£2,343 GBP
$3,139 USD
View
B
Retailer 9
-
£2,572 GBP
$3,446 USD
View
B
Retailer 10
-
£2,796 GBP
$3,747 USD
View
Most Expensive
B
MOH London
LG442067003 · Oct 29
£4,283 GBP
View
10 more retailers have this diamond
Prices start from £754 GBPSave up to £3,529 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
1.80ct Princess
£754 GBP