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Cushion|Natural|GIA

1.70ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 1555659962

Certificate GIA 1555659962

Diamond specifications and retailer prices

From €5,740 EUR
HK$50,100 HKD
As of October 30, 2026
Save €5,605 EUR (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €11,345 EUR 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 1555659962. Listed at 15 retailers as of October 28, 2026, with prices from €5,740 to €11,345, a €5,605 spread on the same certified stone. Queensmith lists it at €11,345. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555659962
Dimensions7.94 × 6.11 × 4.17 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cavity, Feather, Needle, Indented Natural, Natural
Top View
7.94 mm6.11 mm1.70 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555659962
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.1%

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: Oct 30
Current: €11,345 EUR|Low: €5,740 EUR|High: €11,453 EUR|Avg: €8,029 EUR|+1.6%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10€5,740 EUR
Retailer 2€6,144 EUR
Retailer 4€6,846 EUR
Retailer 12€7,111 EUR
Retailer 7€7,111 EUR
Retailer 6€7,178 EUR
Retailer 5€7,281 EUR
Retailer 3€7,870 EUR
Retailer 11€7,963 EUR
Retailer 9€8,405 EUR
Retailer 8€10,795 EUR
Queensmith€11,345 EUR

24 data points across 12 retailers

15 retailers€5,740 EUR to €11,345 EUR

A
Cheapest Retailer
-
€5,740 EUR
HK$50,100 HKD
A
Retailer 2
-
€6,144 EUR
₹653,749 INR
View
Retailer 3
-
€6,672 EUR
SGD 10,073 SGD
View
Price last confirmed 19 days ago
B+
Retailer 4
-
€6,846 EUR
SGD 10,336 SGD
View
B+
Retailer 5
-
€7,055 EUR
$7,882 USD
View
B+
Retailer 6
-
€7,111 EUR
$7,944 USD
View
Final sale: no returns
B+
Retailer 7
-
€7,111 EUR
$7,945 USD
View
B+
Retailer 8
-
€7,178 EUR
£6,314 GBP
View
B+
Retailer 9
-
€7,281 EUR
£6,405 GBP
View
B+
Retailer 10
-
€7,870 EUR
$8,793 USD
View
B+
Retailer 11
-
€7,963 EUR
$8,896 USD
View
B+
Retailer 12
-
€7,970 EUR
A$13,698 AUD
View
B+
Retailer 13
-
€8,405 EUR
View
B
Retailer 14
-
€10,795 EUR
£9,496 GBP
View
Most Expensive
B
Queensmith
1555659962 · Oct 28
€11,345 EUR
£9,980 GBP
View
14 more retailers have this diamond
Prices start from €5,740 EURSave up to €5,605 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
€5,740 EUR