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Cushion|Natural|GIA

1.70ct M SI2 Cushion Natural Diamond

ID • M/SI2 • GIA 6491046769

Certificate GIA 6491046769

Diamond specifications and retailer prices

From £1,367 GBP
As of November 6, 2026
Save £854 GBP (38%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,221 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.7ct natural cushion diamond

This 1.7ct natural cushion sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6491046769. Listed at 8 retailers as of November 6, 2026, with prices from £1,367 to £2,221, a £854 spread on the same certified stone. Yorxs lists it at £2,221. 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
M
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6491046769
Dimensions8.38 × 6.24 × 3.93 mm
L/W Ratio1.34
Top View
8.38 mm6.24 mm1.70 ctM / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6491046769
Side View
Table 66.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,461 GBP|Low: £1,357 GBP|High: £2,239 GBP|Avg: £1,807 GBP|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 6, 2026
Retailer 3£1,367 GBP
Retailer 1£1,461 GBP
Retailer 2£1,702 GBP
Retailer 6£1,724 GBP
Retailer 4£1,788 GBP
Retailer 7£1,859 GBP
Retailer 5£1,892 GBP
Retailer 8£2,155 GBP
Yorxs£2,221 GBP

36 data points across 9 retailers

8 retailers£1,367 GBP to £2,221 GBP

A
Cheapest Retailer
-
£1,367 GBP
A
Retailer 2
-
£1,461 GBP
View
B+
Retailer 3
-
£1,702 GBP
View
B+
Retailer 4
-
£1,724 GBP
View
Retailer 5
-
£1,788 GBP
View
Price last confirmed 22 days ago
B+
Retailer 6
-
£1,859 GBP
View
B+
Retailer 7
-
£1,892 GBP
View
Most Expensive
B+
Yorxs
857BD9D98 · Nov 6
£2,221 GBP
€2,831 EUR
View
7 more retailers have this diamond
Prices start from £1,367 GBPSave up to £854 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 Cushion
£1,367 GBP