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Cushion|Natural|GIA

1.70ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 2544975782

Certificate GIA 2544975782

Diamond specifications and retailer prices

From £4,604 GBP
HK$47,900 HKD
As of October 29, 2026
Save £4,628 GBP (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £9,232 GBP at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.7ct natural cushion diamond

This 1.7ct natural cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2544975782. Listed at 14 retailers as of October 28, 2026, with prices from £4,604 to £9,232, a £4,628 spread on the same certified stone. Queensmith lists it at £9,232. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2544975782
Dimensions8.06 × 6.11 × 3.99 mm
L/W Ratio1.32
Top View
8.06 mm6.11 mm1.70 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2544975782
Side View
Table 64.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 65.2%

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: Oct 29
Current: £9,232 GBP|Low: £4,604 GBP|High: £9,317 GBP|Avg: £6,187 GBP|+0.7%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 9£4,604 GBP
Retailer 5£4,930 GBP
Retailer 3£5,484 GBP
Retailer 11£5,564 GBP
Retailer 10£5,642 GBP
Retailer 8£5,643 GBP
Retailer 4£5,651 GBP
Retailer 2£5,750 GBP
Retailer 12£6,243 GBP
Retailer 7£6,671 GBP
Retailer 6£8,566 GBP
Queensmith£9,232 GBP

28 data points across 12 retailers

14 retailers£4,604 GBP to £9,232 GBP

A
Cheapest Retailer
-
£4,604 GBP
HK$47,900 HKD
A
Retailer 2
-
£4,930 GBP
₹625,249 INR
View
Retailer 3
-
£5,344 GBP
SGD 9,617 SGD
View
Price last confirmed 18 days ago
B+
Retailer 4
-
£5,484 GBP
SGD 9,868 SGD
View
B+
Retailer 5
-
£5,564 GBP
$7,410 USD
View
B+
Retailer 6
-
£5,642 GBP
$7,514 USD
View
Final sale: no returns
B+
Retailer 7
-
£5,643 GBP
$7,515 USD
View
B+
Retailer 8
-
£5,651 GBP
$7,525 USD
View
B+
Retailer 9
-
£5,750 GBP
View
B+
Retailer 10
-
£6,243 GBP
$8,313 USD
View
B+
Retailer 11
-
£6,359 GBP
A$13,028 AUD
View
B+
Retailer 12
-
£6,671 GBP
€8,460 EUR
View
B
Retailer 13
-
£8,566 GBP
View
Most Expensive
B
Queensmith
2544975782 · Oct 28
£9,232 GBP
View
13 more retailers have this diamond
Prices start from £4,604 GBPSave up to £4,628 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
£4,604 GBP