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Cushion|Natural|GIA

1.40ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 2546776854

Certificate GIA 2546776854

Diamond specifications and retailer prices

From $3,152 USD
SGD 4,259 SGD
As of October 31, 2026
Save $3,755 USD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,906 USD at MOH London · As of November 2, 2026
View at MOH London

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 2546776854. Listed at 19 retailers as of October 31, 2026, with prices from $3,152 to $6,906, a $3,755 spread on the same certified stone. MOH London lists it at $6,906. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.93°
Pavilion angle55.71°
OriginNatural
Grading LabGIA
CertificateGIA 2546776854
Dimensions6.61 × 5.91 × 4.12 mm
L/W Ratio1.12
Top View
6.61 mm5.91 mm1.40 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546776854
Side View
Table 63.0%Crown 42.93°Girdle: MED-THKPavilion 55.71°Culet: NoneDepth 69.8%

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: Oct 31
Current: $6,906 USD|Low: $3,152 USD|High: $6,989 USD|Avg: $4,374 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8$3,152 USD
Retailer 7$3,213 USD
Retailer 2$3,220 USD
Retailer 5$3,811 USD
Retailer 9$4,129 USD
Retailer 4$4,224 USD
Retailer 10$4,428 USD
Retailer 3$4,671 USD
Retailer 6$5,076 USD
MOH London$6,906 USD

31 data points across 10 retailers

19 retailers$3,152 USD to $6,906 USD

A
Cheapest Retailer
-
$3,152 USD
SGD 4,259 SGD
A
Retailer 2
-
$3,213 USD
HK$25,100 HKD
View
A
Retailer 3
-
$3,220 USD
₹306,626 INR
View
A
Retailer 4
-
$3,558 USD
View
A
Retailer 5
-
$3,633 USD
View
A
Retailer 6
-
$3,811 USD
View
B+
Retailer 7
-
$3,930 USD
View
Retailer 8
-
$4,043 USD
SGD 5,463 SGD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$4,129 USD
View
B+
Retailer 10
-
$4,224 USD
£3,326 GBP
View
B+
Retailer 11
-
$4,254 USD
View
B+
Retailer 12
-
$4,277 USD
View
B+
Retailer 13
-
$4,376 USD
View
Retailer 14
-
$4,428 USD
A$6,812 AUD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
$4,671 USD
€4,449 EUR
View
B+
Retailer 16
-
$5,076 USD
ZAR 81,999 ZAR
View
B
Retailer 17
-
$6,034 USD
View
B
Retailer 18
-
$6,203 USD
View
Most Expensive
B
MOH London
98E06DF67 · Nov 2
$6,906 USD
£5,438 GBP
View
18 more retailers have this diamond
Prices start from $3,152 USDSave up to $3,755 USD

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
$3,152 USD