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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 HK$50,317 HKD
As of October 29, 2026
Save HK$49,133 HKD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$99,450 HKD 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 HK$50,317 to HK$99,450, a HK$49,133 spread on the same certified stone. Queensmith lists it at HK$99,450. 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 29
Current: HK$99,450 HKD|Low: HK$50,317 HKD|High: HK$100,397 HKD|Avg: HK$70,418 HKD|+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 29, 2026
Retailer 10HK$50,317 HKD
Retailer 6HK$53,902 HKD
Retailer 4HK$60,014 HKD
Retailer 12HK$62,332 HKD
Retailer 5HK$62,340 HKD
Retailer 2HK$62,727 HKD
Retailer 7HK$64,005 HKD
Retailer 3HK$68,993 HKD
Retailer 11HK$69,802 HKD
Retailer 9HK$73,679 HKD
Retailer 8HK$94,627 HKD
QueensmithHK$99,450 HKD

24 data points across 12 retailers

15 retailersHK$50,317 HKD to HK$99,450 HKD

A
Cheapest Retailer
-
HK$50,317 HKD
A
Retailer 2
-
HK$53,902 HKD
₹654,247 INR
View
B+
Retailer 3
-
HK$58,487 HKD
SGD 10,073 SGD
View
Price last confirmed 18 days ago
B+
Retailer 4
-
HK$60,014 HKD
SGD 10,336 SGD
View
B+
Retailer 5
-
HK$61,845 HKD
$7,882 USD
View
B+
Retailer 6
-
HK$62,332 HKD
$7,944 USD
View
Final sale: no returns
B+
Retailer 7
-
HK$62,340 HKD
$7,945 USD
View
B+
Retailer 8
-
HK$62,727 HKD
£6,295 GBP
View
B+
Retailer 9
-
HK$64,005 HKD
£6,423 GBP
View
B+
Retailer 10
-
HK$68,993 HKD
$8,793 USD
View
B+
Retailer 11
-
HK$69,802 HKD
$8,896 USD
View
B+
Retailer 12
-
HK$69,862 HKD
A$13,698 AUD
View
B+
Retailer 13
-
HK$73,679 HKD
€8,943 EUR
View
B
Retailer 14
-
HK$94,627 HKD
£9,496 GBP
View
Most Expensive
B
Queensmith
1555659962 · Oct 28
HK$99,450 HKD
£9,980 GBP
View
14 more retailers have this diamond
Prices start from HK$50,317 HKDSave up to HK$49,133 HKD

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
HK$50,317 HKD