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Princess|Natural|GIA

1.70ct F SI1 Princess Natural Diamond

EX • F/SI1 • GIA 6545685721

Certificate GIA 6545685721

Diamond specifications and retailer prices

From £6,238 GBP
A$12,878 AUD
As of November 3, 2026
Save £2,600 GBP (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £8,838 GBP at 77 Diamonds · As of November 3, 2026
View at 77 Diamonds

About this 1.7ct natural princess diamond

This 1.7ct natural princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545685721. Listed at 6 retailers as of November 3, 2026, with prices from £6,238 to £8,838, a £2,600 spread on the same certified stone. 77 Diamonds lists it at £8,838. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545685721
Dimensions6.77 × 6.71 × 4.47 mm
L/W Ratio1.01
Top View
6.77 mm6.71 mm1.70 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545685721
Side View
Table 73.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: £8,838 GBP|Low: £4,960 GBP|High: £9,251 GBP|Avg: £6,625 GBP|+1.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 3, 2026
Retailer 3£4,960 GBP
Retailer 10£5,236 GBP
Retailer 15£5,442 GBP
Retailer 4£5,632 GBP
Retailer 12£6,021 GBP
Retailer 13£6,174 GBP
Retailer 9£6,238 GBP
Retailer 5£6,621 GBP
Retailer 14£6,664 GBP
Retailer 7£6,992 GBP
Retailer 2£7,171 GBP
Retailer 8£7,202 GBP
Retailer 6£7,893 GBP
77 Diamonds£8,838 GBP
Retailer 11£9,251 GBP

24 data points across 15 retailers

6 retailers£6,238 GBP to £8,838 GBP

Retailer 1
-
£4,960 GBP
HK$52,000 HKD
Price last confirmed 60 days ago
B+
Retailer 2
-
£6,238 GBP
A$12,878 AUD
View
B
Retailer 3
-
£7,171 GBP
CA$13,366 CAD
View
B
Retailer 4
-
£7,202 GBP
A$14,868 AUD
View
Retailer 5
-
£7,526 GBP
$10,100 USD
View
Price last confirmed 63 days ago
Most Expensive
B
77 Diamonds
PRIMB46F3NBDQ · Nov 3
£8,838 GBP
View
5 more retailers have this diamond
Prices start from £6,238 GBPSave up to £2,600 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.

B+
1.70ct Princess
£6,238 GBP