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Cushion|Natural|GIA

1.40ct M SI1 Cushion Natural Diamond

ID • M/SI1 • GIA 6545712479

Certificate GIA 6545712479

Diamond specifications and retailer prices

From €1,527 EUR
As of November 5, 2026
Save €453 EUR (23%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €1,981 EUR at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.4ct natural cushion diamond

This 1.4ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded M 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 6545712479. Listed at 4 retailers as of November 5, 2026, with prices from €1,527 to €1,981, a €453 spread on the same certified stone. Yorxs lists it at €1,981. 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

1.40
Carat
M
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6545712479
Dimensions7.17 × 5.76 × 3.90 mm
L/W Ratio1.24
Top View
7.17 mm5.76 mm1.40 ctM / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6545712479
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 67.8%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: €1,780 EUR|Low: €1,352 EUR|High: €1,992 EUR|Avg: €1,636 EUR|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 6, 2026
Retailer 4€1,352 EUR
Retailer 2€1,459 EUR
Retailer 3€1,527 EUR
Retailer 1€1,780 EUR
Yorxs€1,981 EUR

25 data points across 5 retailers

4 retailers€1,527 EUR to €1,981 EUR

Retailer 1
-
€1,459 EUR
Price last confirmed 9 days ago
B+
Retailer 2
-
€1,527 EUR
View
B+
Retailer 3
-
€1,780 EUR
View
Most Expensive
B
Yorxs
6CCB2F3DB · Nov 6
€1,981 EUR
View
3 more retailers have this diamond
Prices start from €1,527 EURSave up to €453 EUR

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+
1.40ct Cushion
€1,527 EUR