Cushion|Natural|GIA

1.70ct E SI2 Cushion Natural Diamond

ID • E/SI2 • GIA 3555181411

Certificate GIA 3555181411

Diamond specifications and retailer prices

From $6,420 AUD
$4,510 USD
As of October 29, 2026
Save $4,906 AUD (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $11,325 AUD at MOH London · As of October 25, 2026
View at MOH London

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 3555181411. Listed at 5 retailers as of October 25, 2026, with prices from $6,420 to $11,325, a $4,906 spread on the same certified stone. MOH London lists it at $11,325. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.69°
Pavilion angle34.16°
OriginNatural
Grading LabGIA
CertificateGIA 3555181411
Dimensions6.73 × 6.71 × 4.51 mm
L/W Ratio1.00
Girdle conditionThick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.73 mm6.71 mm1.70 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555181411
Side View
Table 64.0%Crown 38.69°Girdle: MED-THKPavilion 34.16°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $11,325 AUD|Low: $6,420 AUD|High: $11,490 AUD|Avg: $7,751 AUD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 3$6,420 AUD
Retailer 2$6,728 AUD
Retailer 5$7,003 AUD
Retailer 4$7,284 AUD
Retailer 6$7,730 AUD
MOH London$11,325 AUD

16 data points across 6 retailers

5 retailers$6,420 AUD to $11,325 AUD

A
Cheapest Retailer
-
$6,420 AUD
$4,510 USD
A
Retailer 2
-
$6,728 AUD
£3,722 GBP
View
Retailer 3
-
$7,003 AUD
$4,920 USD
View
Price last confirmed 26 days ago
A
Retailer 4
-
$7,284 AUD
$5,117 USD
View
Most Expensive
B+
MOH London
3590C3FDE · Oct 25
$11,325 AUD
£6,265 GBP
View
4 more retailers have this diamond
Prices start from $6,420 AUDSave up to $4,906 AUD

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
$6,420 AUD