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Cushion|Natural|GIA

1.70ct L SI2 Cushion Natural Diamond

VG • L/SI2 • GIA 6442174039

Certificate GIA 6442174039

Diamond specifications and retailer prices

From £1,429 GBP
As of November 6, 2026
Save £729 GBP (34%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,158 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.7ct natural cushion diamond

This 1.7ct natural cushion sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6442174039. Listed at 4 retailers as of November 6, 2026, with prices from £1,429 to £2,158, a £729 spread on the same certified stone. 77 Diamonds lists it at £2,158. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
L
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6442174039
Dimensions6.60 × 6.45 × 4.56 mm
L/W Ratio1.02
Top View
6.60 mm6.45 mm1.70 ctL / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6442174039
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.6%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £2,158 GBP|Low: £1,397 GBP|High: £2,179 GBP|Avg: £1,758 GBP|+1.3%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3£1,397 GBP
Retailer 4£1,429 GBP
Retailer 2£2,040 GBP
77 Diamonds£2,158 GBP

37 data points across 4 retailers

4 retailers£1,429 GBP to £2,158 GBP

B+
Cheapest Retailer
-
£1,429 GBP
B+
Retailer 2
-
£1,491 GBP
View
B+
Retailer 3
-
£2,040 GBP
View
Most Expensive
B+
77 Diamonds
CUSMBVVTDSGSH · Nov 6
£2,158 GBP
View
3 more retailers have this diamond
Prices start from £1,429 GBPSave up to £729 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 Cushion
£1,429 GBP