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Princess|Lab Grown|IGI

1.73ct J VS2 Princess Lab Grown Diamond

ID • J/VS2 • IGI LG451056197

Shape and cutting style on the report: Princess cut

Certificate IGI LG451056197

Diamond specifications and retailer prices

From £1,029 GBP
$1,370 USD
As of October 29, 2026
Save £2,437 GBP (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,466 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.73ct lab-grown princess diamond

This 1.73ct lab-grown princess sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG451056197 or 451056197. Listed at 10 retailers as of October 29, 2026, with prices from £1,029 to £3,466, a £2,437 spread on the same certified stone. MOH London lists it at £3,466. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
J
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056197
Dimensions6.61 × 6.49 × 4.57 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
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Top View
6.61 mm6.49 mm1.73 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056197
Side View
Table 72.0%Crown 45.2°Girdle: MediumPavilion 38.5°Culet: NoneDepth 70.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £3,466 GBP|Low: £1,029 GBP|High: £3,493 GBP|Avg: £1,857 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 2£1,029 GBP
Retailer 5£1,132 GBP
Retailer 3£1,207 GBP
Retailer 6£1,337 GBP
Retailer 8£1,657 GBP
Retailer 4£1,907 GBP
Retailer 7£2,190 GBP
Retailer 9£2,702 GBP
MOH London£3,466 GBP

11 data points across 9 retailers

10 retailers£1,029 GBP to £3,466 GBP

A
Cheapest Retailer
-
£1,029 GBP
$1,370 USD
A
Retailer 2
-
£1,041 GBP
$1,386 USD
View
A
Retailer 3
-
£1,132 GBP
$1,508 USD
View
A
Retailer 4
-
£1,207 GBP
$1,607 USD
View
Retailer 5
-
£1,207 GBP
$1,607 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
£1,337 GBP
$1,780 USD
View
B+
Retailer 7
-
£1,907 GBP
$2,539 USD
View
B
Retailer 8
-
£2,190 GBP
$2,917 USD
View
B
Retailer 9
-
£2,263 GBP
$3,013 USD
View
Most Expensive
B
MOH London
LG451056197 · Oct 29
£3,466 GBP
View
9 more retailers have this diamond
Prices start from £1,029 GBPSave up to £2,437 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
1.73ct Princess
£1,029 GBP