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Oval|Natural|GIA

1.70ct K SI1 Oval Natural Diamond

ID • K/SI1 • GIA 6525071453

Certificate GIA 6525071453

Diamond specifications and retailer prices

From £3,743 GBP
As of November 4, 2026
Save £3,219 GBP (46%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £6,962 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.7ct natural oval diamond

This 1.7ct natural oval 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 6525071453. Listed at 10 retailers as of November 4, 2026, with prices from £3,743 to £6,962, a £3,219 spread on the same certified stone. MOH London lists it at £6,962. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6525071453
Dimensions9.84 × 6.48 × 4.07 mm
L/W Ratio1.52
Top View
9.84 mm6.48 mm1.70 ctK / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6525071453
Side View
Table 60.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.7%

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 4
Current: £6,962 GBP|Low: £3,743 GBP|High: £7,653 GBP|Avg: £4,988 GBP|-5.7%
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 11£3,743 GBP
Retailer 10£3,781 GBP
Retailer 13£3,995 GBP
Retailer 9£4,008 GBP
Retailer 8£4,221 GBP
Retailer 12£4,237 GBP
Retailer 6£4,500 GBP
Retailer 3£4,737 GBP
Retailer 7£5,174 GBP
Retailer 4£5,467 GBP
Retailer 2£5,780 GBP
MOH London£6,962 GBP
Retailer 5£7,653 GBP

13 data points across 13 retailers

10 retailers£3,743 GBP to £6,962 GBP

B+
Cheapest Retailer
-
£3,743 GBP
B+
Retailer 2
-
£3,781 GBP
View
B+
Retailer 3
-
£3,995 GBP
View
B+
Retailer 4
-
£4,008 GBP
View
B+
Retailer 5
-
£4,221 GBP
View
B+
Retailer 6
-
£4,237 GBP
View
B+
Retailer 7
-
£4,500 GBP
View
B
Retailer 8
-
£5,174 GBP
View
B
Retailer 9
-
£5,780 GBP
View
Most Expensive
B
MOH London
DB0E7D487 · Nov 4
£6,962 GBP
View
9 more retailers have this diamond
Prices start from £3,743 GBPSave up to £3,219 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 Oval
£3,743 GBP