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Cushion|Natural|GIA

1.70ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 6552447495

Certificate GIA 6552447495

Diamond specifications and retailer prices

From £2,780 GBP
HK$29,100 HKD
As of October 31, 2026
Save £3,152 GBP (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,932 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct natural cushion diamond

This 1.7ct natural cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552447495. Listed at 14 retailers as of October 29, 2026, with prices from £2,780 to £5,932, a £3,152 spread on the same certified stone. MOH London lists it at £5,932. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6552447495
Dimensions8.18 × 6.22 × 4.04 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle, Indented Natural, Natural
Top View
8.18 mm6.22 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6552447495
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.9%

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 31
Current: £5,932 GBP|Low: £2,751 GBP|High: £5,970 GBP|Avg: £3,697 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5£2,780 GBP
Retailer 2£2,895 GBP
Retailer 4£3,291 GBP
Retailer 11£3,392 GBP
Retailer 10£3,419 GBP
Retailer 3£3,530 GBP
Retailer 7£3,673 GBP
Retailer 8£3,683 GBP
Retailer 9£3,704 GBP
Retailer 12£3,912 GBP
Retailer 6£4,192 GBP
MOH London£5,932 GBP

28 data points across 12 retailers

14 retailers£2,780 GBP to £5,932 GBP

B+
Cheapest Retailer
-
£2,780 GBP
HK$29,100 HKD
A
Retailer 2
-
£2,895 GBP
₹369,480 INR
View
B+
Retailer 3
-
£3,291 GBP
$4,409 USD
View
B+
Retailer 4
-
£3,392 GBP
SGD 6,141 SGD
View
B+
Retailer 5
-
£3,419 GBP
$4,581 USD
View
Final sale: no returns
B
Retailer 6
-
£3,526 GBP
$4,725 USD
View
B
Retailer 7
-
£3,530 GBP
SGD 6,392 SGD
View
B+
Retailer 8
-
£3,673 GBP
View
B
Retailer 9
-
£3,683 GBP
View
B
Retailer 10
-
£3,704 GBP
$4,963 USD
View
B
Retailer 11
-
£3,715 GBP
A$7,658 AUD
View
B
Retailer 12
-
£3,912 GBP
$5,241 USD
View
B
Retailer 13
-
£4,192 GBP
€5,349 EUR
View
Most Expensive
B
MOH London
29B2E2A74 · Oct 29
£5,932 GBP
View
13 more retailers have this diamond
Prices start from £2,780 GBPSave up to £3,152 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
£2,780 GBP