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Cushion|Natural|GIA

1.70ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 1558587225

Certificate GIA 1558587225

Diamond specifications and retailer prices

From €3,424 EUR
HK$30,000 HKD
As of November 1, 2026
Save €3,857 EUR (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €7,281 EUR at MOH London · As of November 1, 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 1558587225. Listed at 14 retailers as of November 1, 2026, with prices from €3,424 to €7,281, a €3,857 spread on the same certified stone. MOH London lists it at €7,281. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558587225
Dimensions8.04 × 6.04 × 4.17 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Twinning Wisp, Crystal, Feather, Indented Natural, Needle
Top View
8.04 mm6.04 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1558587225
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.1%

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: Nov 1
Current: €7,281 EUR|Low: €3,401 EUR|High: €7,803 EUR|Avg: €4,755 EUR|-6.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8€3,424 EUR
Retailer 7€3,648 EUR
Retailer 10€4,219 EUR
Retailer 3€4,267 EUR
Retailer 12€4,358 EUR
Retailer 2€4,519 EUR
Retailer 6€4,563 EUR
Retailer 9€4,707 EUR
Retailer 11€4,821 EUR
Retailer 4€4,840 EUR
Retailer 5€5,172 EUR
MOH London€7,281 EUR

26 data points across 12 retailers

14 retailers€3,424 EUR to €7,281 EUR

A
Cheapest Retailer
-
€3,424 EUR
HK$30,000 HKD
B+
Retailer 2
-
€3,648 EUR
₹389,627 INR
View
B+
Retailer 3
-
€4,219 EUR
$4,732 USD
View
Final sale: no returns
B+
Retailer 4
-
€4,267 EUR
SGD 6,468 SGD
View
B+
Retailer 5
-
€4,358 EUR
SGD 6,605 SGD
View
B
Retailer 6
-
€4,437 EUR
$4,976 USD
View
B+
Retailer 7
-
€4,519 EUR
£3,991 GBP
View
B
Retailer 8
-
€4,563 EUR
£4,030 GBP
View
B
Retailer 9
-
€4,705 EUR
A$8,118 AUD
View
B
Retailer 10
-
€4,707 EUR
$5,279 USD
View
B+
Retailer 11
-
€4,821 EUR
$5,407 USD
View
Retailer 12
-
€4,840 EUR
$5,429 USD
View
Price last confirmed 17 days ago
B
Retailer 13
-
€5,172 EUR
View
Most Expensive
B
MOH London
1CE160ECC · Nov 1
€7,281 EUR
£6,430 GBP
View
13 more retailers have this diamond
Prices start from €3,424 EURSave up to €3,857 EUR

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
€3,424 EUR