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Cushion|Natural|GIA

1.00ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 7451873531

Certificate GIA 7451873531

Diamond specifications and retailer prices

From $1,457 SGD
HK$8,900 HKD
As of November 1, 2026
Save $1,995 SGD (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,451 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7451873531. Listed at 18 retailers as of November 1, 2026, with prices from $1,457 to $3,451, a $1,995 spread on the same certified stone. MOH London lists it at $3,451. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7451873531
Dimensions5.66 × 4.93 × 3.88 mm
L/W Ratio1.15
Top View
5.66 mm4.93 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 7451873531
Side View
Table 59.0%CrownGirdle: ThickPavilionCulet: NoneDepth 78.8%

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: Nov 1
Current: $3,451 SGD|Low: $1,650 SGD|High: $3,494 SGD|Avg: $2,267 SGD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 5$1,653 SGD
Retailer 3$1,817 SGD
Retailer 12$1,829 SGD
Retailer 11$1,848 SGD
Retailer 6$1,922 SGD
Retailer 9$1,970 SGD
Retailer 10$2,151 SGD
Retailer 2$2,180 SGD
Retailer 8$2,405 SGD
Retailer 4$2,571 SGD
Retailer 7$2,691 SGD
MOH London$3,451 SGD

33 data points across 12 retailers

18 retailers$1,457 SGD to $3,451 SGD

A
Cheapest Retailer
-
$1,457 SGD
HK$8,900 HKD
A
Retailer 2
-
$1,653 SGD
₹123,125 INR
View
A
Retailer 3
-
$1,817 SGD
$1,421 USD
View
Final sale: no returns
A
Retailer 4
-
$1,826 SGD
$1,428 USD
View
A
Retailer 5
-
$1,829 SGD
$1,430 USD
View
Retailer 6
-
$1,848 SGD
$1,445 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$1,903 SGD
A$2,289 AUD
View
A
Retailer 8
-
$1,922 SGD
£1,183 GBP
View
A
Retailer 9
-
$1,970 SGD
$1,540 USD
View
A
Retailer 10
-
$2,033 SGD
View
A
Retailer 11
-
$2,144 SGD
$1,676 USD
View
A
Retailer 12
-
$2,151 SGD
$1,682 USD
View
A
Retailer 13
-
$2,180 SGD
£1,342 GBP
View
A
Retailer 14
-
$2,405 SGD
ZAR 30,375 ZAR
View
Retailer 15
-
$2,571 SGD
A$3,092 AUD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
$2,691 SGD
€2,004 EUR
View
B+
Retailer 17
-
$3,031 SGD
$2,370 USD
View
Most Expensive
B+
MOH London
9DFF2F2D9 · Nov 1
$3,451 SGD
£2,125 GBP
View
17 more retailers have this diamond
Prices start from $1,457 SGDSave up to $1,995 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
$1,457 SGD