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Princess|Natural|IGI

1.70ct J IF Princess Natural Diamond

EX • J/IF • IGI 678573515

Certificate IGI 678573515

Diamond specifications and retailer prices

From £3,313 GBP
As of November 5, 2026
Save £633 GBP (16%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £3,946 GBP at B2C Jewels · As of November 6, 2026
View at B2C Jewels

About this 1.7ct natural princess diamond

This 1.7ct natural princess sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 678573515. Listed at 2 retailers as of November 5, 2026, with prices from £3,313 to £3,946, a £633 spread on the same certified stone. B2C Jewels lists it at £3,946. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 678573515
Dimensions6.39 × 6.38 × 4.63 mm
L/W Ratio1.00
Top View
6.39 mm6.38 mm1.70 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 678573515
Side View
Table 71.0%CrownGirdle: MediumPavilionCuletDepth 72.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £3,946 GBP|Low: £3,195 GBP|High: £3,946 GBP|Avg: £3,679 GBP|+23.5%
B2C Jewels
Retailer 2
Retailer 3
November 5, 2026
Retailer 2£3,313 GBP
Retailer 3£3,806 GBP
B2C Jewels£3,946 GBP

7 data points across 3 retailers

2 retailers£3,313 GBP to £3,946 GBP

A
Cheapest Retailer
-
£3,313 GBP
Most Expensive
B+
B2C Jewels
27293239 · Nov 6
£3,946 GBP
$5,311 USD
View
1 more retailer has this diamond
Prices start from £3,313 GBPSave up to £633 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
£3,313 GBP