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Cushion|Natural|IGI

1.75ct K SI1 Cushion Natural Diamond

VG • K/SI1 • IGI 257749562

Shape and cutting style on the report: Cushion brilliant

Certificate IGI 257749562

Diamond specifications and retailer prices

From $3,900 AUD
As of November 4, 2026
Save $4,382 AUD (53%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $8,282 AUD at MOH London · As of November 4, 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 very-good cut grade and certified by IGI 257749562. Listed at 5 retailers as of November 4, 2026, with prices from $3,900 to $8,282, a $4,382 spread on the same certified stone. MOH London lists it at $8,282. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.75
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle37.6°
Pavilion angle34.2°
OriginNatural
Grading LabIGI
CertificateIGI 257749562
Dimensions7.64 × 6.32 × 4.31 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizePointed
Top View
7.64 mm6.32 mm1.75 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 257749562
Side View
Table 58.5%Crown 37.6°Girdle: STK-THKPavilion 34.2°Culet: NoneDepth 68.2%

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 4
Current: $8,282 AUD|Low: $3,900 AUD|High: $8,404 AUD|Avg: $5,451 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$3,900 AUD
Retailer 5$4,257 AUD
Retailer 3$5,202 AUD
Retailer 2$5,448 AUD
MOH London$8,282 AUD

45 data points across 5 retailers

5 retailers$3,900 AUD to $8,282 AUD

B+
Cheapest Retailer
-
$3,900 AUD
B+
Retailer 2
-
$4,257 AUD
View
B+
Retailer 3
-
$5,202 AUD
View
B+
Retailer 4
-
$5,448 AUD
View
Most Expensive
B
MOH London
25A373FAF · Nov 4
$8,282 AUD
£4,481 GBP
View
4 more retailers have this diamond
Prices start from $3,900 AUDSave up to $4,382 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+
1.75ct Cushion
$3,900 AUD