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Cushion|Natural|GIA

1.00ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 2567405496

Certificate GIA 2567405496

Diamond specifications and retailer prices

From $1,402 SGD
₹104,458 INR
As of November 1, 2026
Save $1,868 SGD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,270 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded H 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 2567405496. Listed at 12 retailers as of November 1, 2026, with prices from $1,402 to $3,270, a $1,868 spread on the same certified stone. MOH London lists it at $3,270. 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

1.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.29°
Pavilion angle34.71°
OriginNatural
Grading LabGIA
CertificateGIA 2567405496
Dimensions5.63 × 5.58 × 3.79 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
5.63 mm5.58 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567405496
Side View
Table 62.0%Crown 40.29°Girdle: MED-THKPavilion 34.71°Culet: NoneDepth 68.0%

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: $3,270 SGD|Low: $1,402 SGD|High: $3,371 SGD|Avg: $2,101 SGD|-3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7$1,402 SGD
Retailer 8$1,730 SGD
Retailer 3$1,777 SGD
Retailer 2$1,821 SGD
Retailer 6$1,884 SGD
Retailer 11$2,007 SGD
Retailer 9$2,040 SGD
Retailer 5$2,082 SGD
Retailer 10$2,304 SGD
Retailer 4$2,599 SGD
MOH London$3,270 SGD

25 data points across 11 retailers

12 retailers$1,402 SGD to $3,270 SGD

A
Cheapest Retailer
-
$1,402 SGD
₹104,458 INR
A
Retailer 2
-
$1,730 SGD
$1,353 USD
View
A
Retailer 3
-
$1,777 SGD
$1,390 USD
View
A
Retailer 4
-
$1,821 SGD
£1,121 GBP
View
A
Retailer 5
-
$1,884 SGD
$1,474 USD
View
A
Retailer 6
-
$2,007 SGD
$1,570 USD
View
A
Retailer 7
-
$2,040 SGD
$1,596 USD
View
A
Retailer 8
-
$2,082 SGD
£1,282 GBP
View
A
Retailer 9
-
$2,304 SGD
ZAR 29,112 ZAR
View
Retailer 10
-
$2,499 SGD
A$3,007 AUD
View
Price last confirmed 27 days ago
B+
Retailer 11
-
$2,599 SGD
€1,936 EUR
View
Most Expensive
B
MOH London
A40121B8E · Nov 1
$3,270 SGD
£2,014 GBP
View
11 more retailers have this diamond
Prices start from $1,402 SGDSave up to $1,868 SGD

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
1.00ct Cushion
$1,402 SGD