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Princess|Lab Grown|IGI

1.70ct J VS1 Princess Lab Grown Diamond

ID • J/VS1 • IGI LG447001746

Shape and cutting style on the report: Princess cut

Certificate IGI LG447001746

Diamond specifications and retailer prices

From £706 GBP
As of November 4, 2026
Save £3,867 GBP (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,573 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.7ct lab-grown princess diamond

This 1.7ct lab-grown princess sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG447001746 or 447001746. Listed at 12 retailers as of November 4, 2026, with prices from £706 to £4,573, a £3,867 spread on the same certified stone. MOH London lists it at £4,573. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001746
Dimensions6.49 × 6.33 × 4.71 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
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Top View
6.49 mm6.33 mm1.70 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447001746
Side View
Table 76.5%Crown 45.3°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 74.4%

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: Nov 4
Current: £4,573 GBP|Low: £706 GBP|High: £4,646 GBP|Avg: £2,403 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 6£706 GBP
Retailer 8£1,384 GBP
Retailer 12£1,505 GBP
Retailer 13£1,550 GBP
Retailer 9£1,606 GBP
Retailer 3£1,731 GBP
Retailer 4£2,126 GBP
Retailer 10£2,516 GBP
Retailer 7£2,700 GBP
Retailer 2£2,953 GBP
Retailer 11£3,009 GBP
MOH London£4,573 GBP
Retailer 5£4,596 GBP

23 data points across 13 retailers

12 retailers£706 GBP to £4,573 GBP

A
Cheapest Retailer
-
£706 GBP
A
Retailer 2
-
£1,384 GBP
View
B+
Retailer 3
-
£1,505 GBP
View
B+
Retailer 4
-
£1,550 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,606 GBP
View
Retailer 6
-
£1,606 GBP
View
Price last confirmed 25 days ago
B+
Retailer 7
-
£1,731 GBP
View
B
Retailer 8
-
£2,516 GBP
View
B
Retailer 9
-
£2,700 GBP
View
B
Retailer 10
-
£2,953 GBP
View
B
Retailer 11
-
£3,009 GBP
View
Most Expensive
B
MOH London
LG447001746 · Nov 5
£4,573 GBP
View
11 more retailers have this diamond
Prices start from £706 GBPSave up to £3,867 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
1.70ct Princess
£706 GBP