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Cushion|Natural|GIA

1.40ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 2547458477

Certificate GIA 2547458477

Diamond specifications and retailer prices

From €2,454 EUR
HK$21,500 HKD
As of November 1, 2026
Save €2,165 EUR (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €4,618 EUR at With Clarity · As of November 2, 2026
View at With Clarity

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 G 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 2547458477. Listed at 6 retailers as of November 1, 2026, with prices from €2,454 to €4,618, a €2,165 spread on the same certified stone. With Clarity lists it at €4,618. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2547458477
Dimensions6.27 × 6.05 × 4.27 mm
L/W Ratio1.04
Top View
6.27 mm6.05 mm1.40 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547458477
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 70.6%

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 1
Current: €2,454 EUR|Low: €2,431 EUR|High: €4,775 EUR|Avg: €3,433 EUR|-8.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
October 31, 2026
Retailer 1€2,454 EUR
Retailer 3€2,912 EUR
Retailer 5€2,953 EUR
Retailer 2€3,406 EUR
Retailer 4€3,501 EUR
Retailer 6€3,720 EUR
With Clarity€4,618 EUR

13 data points across 7 retailers

6 retailers€2,454 EUR to €4,618 EUR

A
Cheapest Retailer
-
€2,454 EUR
HK$21,500 HKD
A
Retailer 2
-
€2,912 EUR
SGD 4,414 SGD
View
A
Retailer 3
-
€2,953 EUR
$3,312 USD
View
B+
Retailer 4
-
€3,406 EUR
$3,820 USD
View
B+
Retailer 5
-
€3,501 EUR
$3,927 USD
View
Most Expensive
B
With Clarity
2547458477 · Nov 2
€4,618 EUR
$5,180 USD
View
5 more retailers have this diamond
Prices start from €2,454 EURSave up to €2,165 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.

A
1.40ct Cushion
€2,454 EUR