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Princess|Lab Grown|IGI

1.65ct J SI2 Princess Lab Grown Diamond

ID • J/SI2 • IGI LG447099766

Shape and cutting style on the report: Princess cut

Certificate IGI LG447099766

Diamond specifications and retailer prices

From £687 GBP
$920 USD
As of October 30, 2026
Save £3,069 GBP (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,755 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.65ct lab-grown princess diamond

This 1.65ct 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 LG447099766 or 447099766. Listed at 9 retailers as of October 29, 2026, with prices from £687 to £3,755, a £3,069 spread on the same certified stone. MOH London lists it at £3,755. 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

1.65
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099766
Dimensions6.52 × 6.33 × 4.66 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
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Top View
6.52 mm6.33 mm1.65 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099766
Side View
Table 70.0%Crown 45.1°Girdle: Slightly ThickPavilion 38.4°Culet: NoneDepth 73.6%

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: £3,755 GBP|Low: £687 GBP|High: £3,780 GBP|Avg: £1,695 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2£687 GBP
Retailer 3£1,002 GBP
Retailer 7£1,090 GBP
Retailer 4£1,163 GBP
Retailer 9£1,599 GBP
Retailer 5£1,837 GBP
Retailer 8£2,167 GBP
Retailer 6£2,179 GBP
MOH London£3,755 GBP

13 data points across 9 retailers

9 retailers£687 GBP to £3,755 GBP

A
Cheapest Retailer
-
£687 GBP
$920 USD
B+
Retailer 2
-
£1,002 GBP
$1,343 USD
View
B+
Retailer 3
-
£1,090 GBP
$1,461 USD
View
B+
Retailer 4
-
£1,163 GBP
$1,558 USD
View
Retailer 5
-
£1,163 GBP
$1,558 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
£1,837 GBP
$2,462 USD
View
B
Retailer 7
-
£2,167 GBP
$2,904 USD
View
B
Retailer 8
-
£2,179 GBP
$2,920 USD
View
Most Expensive
B
MOH London
LG447099766 · Oct 29
£3,755 GBP
View
8 more retailers have this diamond
Prices start from £687 GBPSave up to £3,069 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
1.65ct Princess
£687 GBP