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Cushion|Natural|GIA

1.70ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2546266071

Certificate GIA 2546266071

Diamond specifications and retailer prices

From $4,601 AUD
As of November 6, 2026
Save $5,451 AUD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,051 AUD at MOH London · As of November 4, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546266071. Listed at 16 retailers as of November 4, 2026, with prices from $4,601 to $10,051, a $5,451 spread on the same certified stone. MOH London lists it at $10,051. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546266071
Dimensions9.11 × 5.64 × 3.89 mm
L/W Ratio1.62
Top View
9.11 mm5.64 mm1.70 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546266071
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.0%

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: Nov 6
Current: $10,051 AUD|Low: $4,601 AUD|High: $10,192 AUD|Avg: $6,399 AUD|-1.4%
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
November 6, 2026
Retailer 13$4,601 AUD
Retailer 2$4,833 AUD
Retailer 10$5,612 AUD
Retailer 5$5,785 AUD
Retailer 8$5,794 AUD
Retailer 6$5,846 AUD
Retailer 4$6,062 AUD
Retailer 11$6,108 AUD
Retailer 3$6,241 AUD
Retailer 12$6,417 AUD
Retailer 7$6,781 AUD
Retailer 9$7,356 AUD
MOH London$10,051 AUD

25 data points across 13 retailers

16 retailers$4,601 AUD to $10,051 AUD

A
Cheapest Retailer
-
$4,601 AUD
A
Retailer 2
-
$4,833 AUD
View
B+
Retailer 3
-
$5,448 AUD
View
B+
Retailer 4
-
$5,612 AUD
View
B+
Retailer 5
-
$5,785 AUD
View
B+
Retailer 6
-
$5,794 AUD
View
B+
Retailer 7
-
$5,803 AUD
View
B+
Retailer 8
-
$5,846 AUD
View
Retailer 9
-
$6,062 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$6,108 AUD
View
B+
Retailer 11
-
$6,203 AUD
View
B+
Retailer 12
-
$6,241 AUD
View
B+
Retailer 13
-
$6,417 AUD
View
B+
Retailer 14
-
$6,781 AUD
View
B+
Retailer 15
-
$7,356 AUD
View
Most Expensive
B
MOH London
38C415656 · Nov 4
$10,051 AUD
£5,438 GBP
View
15 more retailers have this diamond
Prices start from $4,601 AUDSave up to $5,451 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
$4,601 AUD