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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 $6,413 USD
HK$50,100 HKD
As of October 29, 2026
Save $6,262 USD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,675 USD 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 $6,413 to $12,675, a $6,262 spread on the same certified stone. Queensmith lists it at $12,675. 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
Color
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: $12,675 USD|Low: $6,413 USD|High: $12,795 USD|Avg: $8,966 USD|+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$6,413 USD
Retailer 7$6,870 USD
Retailer 4$7,649 USD
Retailer 12$7,944 USD
Retailer 6$7,945 USD
Retailer 5$8,019 USD
Retailer 2$8,135 USD
Retailer 3$8,793 USD
Retailer 11$8,896 USD
Retailer 9$9,390 USD
Retailer 8$12,060 USD
Queensmith$12,675 USD

24 data points across 12 retailers

15 retailers$6,413 USD to $12,675 USD

A
Cheapest Retailer
-
$6,413 USD
HK$50,100 HKD
A
Retailer 2
-
$6,870 USD
₹654,247 INR
View
Retailer 3
-
$7,454 USD
SGD 10,073 SGD
View
Price last confirmed 19 days ago
B+
Retailer 4
-
$7,649 USD
SGD 10,336 SGD
View
B+
Retailer 5
-
$7,882 USD
View
B+
Retailer 6
-
$7,944 USD
View
Final sale: no returns
B+
Retailer 7
-
$7,945 USD
View
B+
Retailer 8
-
$8,019 USD
£6,314 GBP
View
B+
Retailer 9
-
$8,135 USD
£6,405 GBP
View
B+
Retailer 10
-
$8,793 USD
View
B+
Retailer 11
-
$8,896 USD
View
B+
Retailer 12
-
$8,904 USD
A$13,698 AUD
View
B+
Retailer 13
-
$9,390 USD
€8,943 EUR
View
B
Retailer 14
-
$12,060 USD
£9,496 GBP
View
Most Expensive
B
Queensmith
1555659962 · Oct 28
$12,675 USD
£9,980 GBP
View
14 more retailers have this diamond
Prices start from $6,413 USDSave up to $6,262 USD

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
$6,413 USD