CaratHunter
Plans
Cushion|Natural|HRD

1.75ct K SI1 Cushion Natural Diamond

EX • K/SI1 • HRD 260000028852

Certificate HRD 260000028852

Diamond specifications and retailer prices

From $3,902 AUD
As of November 5, 2026
Save $2,484 AUD (39%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,386 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.75ct natural cushion diamond

This 1.75ct 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 HRD 260000028852. Listed at 4 retailers as of November 1, 2026, with prices from $3,902 to $6,386, a $2,484 spread on the same certified stone. MOH London lists it at $6,386. 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

1.75
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000028852
Dimensions6.43 × 6.42 × 4.44 mm
L/W Ratio1.00
Culet sizePointed
Top View
6.43 mm6.42 mm1.75 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000028852
Side View
Table 64.0%CrownGirdlePavilionCulet: NoneDepth 69.2%

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: Nov 5
Current: $6,386 AUD|Low: $3,292 AUD|High: $6,464 AUD|Avg: $4,611 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$3,292 AUD
Retailer 4$3,644 AUD
Retailer 3$3,902 AUD
Retailer 2$4,526 AUD
Retailer 6$5,768 AUD
MOH London$6,386 AUD

42 data points across 6 retailers

4 retailers$3,902 AUD to $6,386 AUD

Retailer 1
-
$3,644 AUD
Price last confirmed 13 days ago
A
Retailer 2
-
$3,902 AUD
View
B+
Retailer 3
-
$4,526 AUD
View
Most Expensive
B+
MOH London
82902D022 · Nov 1
$6,386 AUD
£3,455 GBP
View
3 more retailers have this diamond
Prices start from $3,902 AUDSave up to $2,484 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
1.75ct Cushion
$3,902 AUD