CaratHunter
Plans
Cushion|Natural|GIA

1.70ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 1555659962

Certificate GIA 1555659962

Diamond specifications and retailer prices

From $11,418 NZD
HK$50,100 HKD
As of October 30, 2026
Save $11,149 NZD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $22,567 NZD 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 $11,418 to $22,567, a $11,149 spread on the same certified stone. Queensmith lists it at $22,567. 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: $22,567 NZD|Low: $11,418 NZD|High: $22,782 NZD|Avg: $15,971 NZD|+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$11,418 NZD
Retailer 2$12,222 NZD
Retailer 4$13,618 NZD
Retailer 12$14,144 NZD
Retailer 7$14,146 NZD
Retailer 6$14,277 NZD
Retailer 5$14,484 NZD
Retailer 3$15,656 NZD
Retailer 11$15,839 NZD
Retailer 9$16,719 NZD
Retailer 8$21,473 NZD
Queensmith$22,567 NZD

24 data points across 12 retailers

15 retailers$11,418 NZD to $22,567 NZD

A
Cheapest Retailer
-
$11,418 NZD
HK$50,100 HKD
A
Retailer 2
-
$12,222 NZD
₹653,749 INR
View
Retailer 3
-
$13,272 NZD
SGD 10,073 SGD
View
Price last confirmed 19 days ago
B+
Retailer 4
-
$13,618 NZD
SGD 10,336 SGD
View
B+
Retailer 5
-
$14,034 NZD
$7,882 USD
View
B+
Retailer 6
-
$14,144 NZD
$7,944 USD
View
Final sale: no returns
B+
Retailer 7
-
$14,146 NZD
$7,945 USD
View
B+
Retailer 8
-
$14,277 NZD
£6,314 GBP
View
B+
Retailer 9
-
$14,484 NZD
£6,405 GBP
View
B+
Retailer 10
-
$15,656 NZD
$8,793 USD
View
B+
Retailer 11
-
$15,839 NZD
$8,896 USD
View
B+
Retailer 12
-
$15,853 NZD
A$13,698 AUD
View
B+
Retailer 13
-
$16,719 NZD
€8,943 EUR
View
B
Retailer 14
-
$21,473 NZD
£9,496 GBP
View
Most Expensive
B
Queensmith
1555659962 · Oct 28
$22,567 NZD
£9,980 GBP
View
14 more retailers have this diamond
Prices start from $11,418 NZDSave up to $11,149 NZD

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
$11,418 NZD