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Cushion|Natural|GIA

1.70ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 1543772265

Certificate GIA 1543772265

Diamond specifications and retailer prices

From $7,306 AUD
HK$40,100 HKD
As of October 30, 2026
Save $8,656 AUD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,962 AUD 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 1543772265. Listed at 15 retailers as of October 28, 2026, with prices from $7,306 to $15,962, a $8,656 spread on the same certified stone. Queensmith lists it at $15,962. 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
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1543772265
Dimensions7.97 × 5.93 × 4.02 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural, Needle
Top View
7.97 mm5.93 mm1.70 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543772265
Side View
Table 67.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.8%

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: $15,962 AUD|Low: $7,306 AUD|High: $16,071 AUD|Avg: $10,386 AUD|+2.1%
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$7,306 AUD
Retailer 2$7,859 AUD
Retailer 4$8,671 AUD
Retailer 12$8,969 AUD
Retailer 9$8,970 AUD
Retailer 5$9,184 AUD
Retailer 6$9,319 AUD
Retailer 3$9,945 AUD
Retailer 11$10,119 AUD
Retailer 8$10,599 AUD
Retailer 7$14,393 AUD
Queensmith$15,962 AUD

24 data points across 12 retailers

15 retailers$7,306 AUD to $15,962 AUD

A
Cheapest Retailer
-
$7,306 AUD
HK$40,100 HKD
A
Retailer 2
-
$7,859 AUD
₹525,840 INR
View
Retailer 3
-
$8,451 AUD
SGD 8,023 SGD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$8,671 AUD
SGD 8,232 SGD
View
A
Retailer 5
-
$8,969 AUD
$6,301 USD
View
Final sale: no returns
A
Retailer 6
-
$8,970 AUD
$6,302 USD
View
A
Retailer 7
-
$9,016 AUD
$6,334 USD
View
A
Retailer 8
-
$9,184 AUD
£5,080 GBP
View
A
Retailer 9
-
$9,319 AUD
£5,155 GBP
View
B+
Retailer 10
-
$9,945 AUD
$6,987 USD
View
B+
Retailer 11
-
$10,055 AUD
View
B+
Retailer 12
-
$10,119 AUD
$7,109 USD
View
B+
Retailer 13
-
$10,599 AUD
€7,092 EUR
View
B+
Retailer 14
-
$14,393 AUD
£7,962 GBP
View
Most Expensive
B
Queensmith
1543772265 · Oct 28
$15,962 AUD
£8,830 GBP
View
14 more retailers have this diamond
Prices start from $7,306 AUDSave up to $8,656 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
$7,306 AUD