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Princess|Natural|GIA

1.70ct K SI1 Princess Natural Diamond

EX • K/SI1 • GIA 6243057272

Certificate GIA 6243057272

Diamond specifications and retailer prices

From £2,563 GBP
As of November 1, 2026
Save £2,204 GBP (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,767 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.7ct natural princess diamond

This 1.7ct natural princess sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6243057272. Listed at 5 retailers as of November 1, 2026, with prices from £2,563 to £4,767, a £2,204 spread on the same certified stone. MOH London lists it at £4,767. 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

1.70
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.78°
OriginNatural
Grading LabGIA
CertificateGIA 6243057272
Dimensions6.39 × 6.38 × 4.63 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.39 mm6.38 mm1.70 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6243057272
Side View
Table 72.0%Crown 50.78°Girdle: Sli. Thick - ThickPavilionCulet: NoneDepth 72.5%

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 1
Current: £4,767 GBP|Low: £2,563 GBP|High: £5,202 GBP|Avg: £3,428 GBP|-7.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4£2,563 GBP
Retailer 5£2,643 GBP
Retailer 3£2,887 GBP
Retailer 2£3,317 GBP
MOH London£4,767 GBP

44 data points across 5 retailers

5 retailers£2,563 GBP to £4,767 GBP

A
Cheapest Retailer
-
£2,563 GBP
A
Retailer 2
-
£2,643 GBP
View
B+
Retailer 3
-
£2,887 GBP
View
B+
Retailer 4
-
£3,317 GBP
View
Most Expensive
B
MOH London
66FCA541C · Nov 2
£4,767 GBP
View
4 more retailers have this diamond
Prices start from £2,563 GBPSave up to £2,204 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
£2,563 GBP