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Cushion|Natural|GIA

1.70ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1565224331

Certificate GIA 1565224331

Diamond specifications and retailer prices

From $9,784 AUD
$6,857 USD
As of November 2, 2026
Save $8,578 AUD (47%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $18,363 AUD at MOH London · As of November 1, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565224331. Listed at 22 retailers as of November 1, 2026, with prices from $9,784 to $18,363, a $8,578 spread on the same certified stone. MOH London lists it at $18,363. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1565224331
Dimensions8.50 × 5.64 × 3.94 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizeNone
Top View
8.50 mm5.64 mm1.70 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1565224331
Side View
Table 62.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 69.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $18,363 AUD|Low: $9,597 AUD|High: $18,584 AUD|Avg: $12,412 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 11$9,784 AUD
Retailer 19$10,160 AUD
Retailer 4$10,241 AUD
Retailer 12$10,318 AUD
Retailer 20$10,558 AUD
Retailer 14$10,598 AUD
Retailer 3$10,815 AUD
Retailer 9$10,980 AUD
Retailer 17$11,019 AUD
Retailer 21$12,260 AUD
Retailer 15$12,293 AUD
Retailer 6$12,310 AUD
Retailer 2$12,415 AUD
Retailer 18$12,417 AUD
Retailer 8$12,648 AUD
Retailer 10$13,337 AUD
Retailer 13$13,659 AUD
Retailer 5$14,044 AUD
Retailer 7$14,509 AUD
Retailer 16$16,187 AUD
MOH London$18,363 AUD

32 data points across 21 retailers

22 retailers$9,784 AUD to $18,363 AUD

B+
Cheapest Retailer
-
$9,784 AUD
$6,857 USD
B
Retailer 2
-
$10,160 AUD
$7,120 USD
View
B
Retailer 3
-
$10,241 AUD
$7,177 USD
View
B+
Retailer 4
-
$10,279 AUD
View
B+
Retailer 5
-
$10,318 AUD
$7,231 USD
View
B+
Retailer 6
-
$10,558 AUD
$7,399 USD
View
Final sale: no returns
B+
Retailer 7
-
$10,598 AUD
$7,428 USD
View
B
Retailer 8
-
$10,815 AUD
CA$10,527 CAD
View
B
Retailer 9
-
$10,980 AUD
$7,695 USD
View
B
Retailer 10
-
$11,019 AUD
$7,722 USD
View
B
Retailer 11
-
$12,260 AUD
$8,592 USD
View
B
Retailer 12
-
$12,293 AUD
£6,784 GBP
View
B
Retailer 13
-
$12,310 AUD
$8,627 USD
View
B
Retailer 14
-
$12,415 AUD
£6,851 GBP
View
Retailer 15
-
$12,417 AUD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$12,648 AUD
$8,864 USD
View
B
Retailer 17
-
$13,337 AUD
$9,347 USD
View
B
Retailer 18
-
$13,659 AUD
€9,117 EUR
View
B
Retailer 19
-
$14,044 AUD
$9,842 USD
View
Retailer 20
-
$14,509 AUD
$10,168 USD
View
Price last confirmed 27 days ago
B
Retailer 21
-
$16,187 AUD
ZAR 183,266 ZAR
View
Most Expensive
B
MOH London
EA3B87BBB · Nov 1
$18,363 AUD
£10,133 GBP
View
21 more retailers have this diamond
Prices start from $9,784 AUDSave up to $8,578 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.

B+
1.70ct Cushion
$9,784 AUD