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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 $8,219 SGD
HK$50,100 HKD
As of October 29, 2026
Save $8,026 SGD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,245 SGD 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 $8,219 to $16,245, a $8,026 spread on the same certified stone. Queensmith lists it at $16,245. 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: $16,245 SGD|Low: $8,219 SGD|High: $16,400 SGD|Avg: $11,503 SGD|+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 10$8,219 SGD
Retailer 6$8,805 SGD
Retailer 4$9,803 SGD
Retailer 12$10,182 SGD
Retailer 5$10,183 SGD
Retailer 2$10,246 SGD
Retailer 7$10,455 SGD
Retailer 3$11,270 SGD
Retailer 11$11,402 SGD
Retailer 9$12,035 SGD
Retailer 8$15,457 SGD
Queensmith$16,245 SGD

24 data points across 12 retailers

15 retailers$8,219 SGD to $16,245 SGD

A
Cheapest Retailer
-
$8,219 SGD
HK$50,100 HKD
A
Retailer 2
-
$8,805 SGD
₹654,247 INR
View
B+
Retailer 3
-
$9,554 SGD
View
Price last confirmed 18 days ago
B+
Retailer 4
-
$9,803 SGD
View
B+
Retailer 5
-
$10,102 SGD
$7,882 USD
View
B+
Retailer 6
-
$10,182 SGD
$7,944 USD
View
Final sale: no returns
B+
Retailer 7
-
$10,183 SGD
$7,945 USD
View
B+
Retailer 8
-
$10,246 SGD
£6,295 GBP
View
B+
Retailer 9
-
$10,455 SGD
£6,423 GBP
View
B+
Retailer 10
-
$11,270 SGD
$8,793 USD
View
B+
Retailer 11
-
$11,402 SGD
$8,896 USD
View
B+
Retailer 12
-
$11,412 SGD
A$13,698 AUD
View
B+
Retailer 13
-
$12,035 SGD
€8,943 EUR
View
B
Retailer 14
-
$15,457 SGD
£9,496 GBP
View
Most Expensive
B
Queensmith
1555659962 · Oct 28
$16,245 SGD
£9,980 GBP
View
14 more retailers have this diamond
Prices start from $8,219 SGDSave up to $8,026 SGD

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
$8,219 SGD