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Cushion|Natural|GIA

1.00ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2231437679

Certificate GIA 2231437679

Diamond specifications and retailer prices

From $3,826 SGD
$2,993 USD
As of November 1, 2026
Save $3,667 SGD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,493 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 D 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 2231437679. Listed at 15 retailers as of November 1, 2026, with prices from $3,826 to $7,493, a $3,667 spread on the same certified stone. MOH London lists it at $7,493. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2231437679
Dimensions8.09 × 5.21 × 3.31 mm
L/W Ratio1.55
Cert comments
NO BGM-Additional clouds are not shown.
Key to symbols
Cloud, Indented Natural
Top View
8.09 mm5.21 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231437679
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.5%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $7,493 SGD|Low: $3,360 SGD|High: $7,584 SGD|Avg: $4,601 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 1, 2026
Retailer 8$3,370 SGD
Retailer 4$3,826 SGD
Retailer 12$3,977 SGD
Retailer 9$4,136 SGD
Retailer 3$4,315 SGD
Retailer 2$4,371 SGD
Retailer 10$4,481 SGD
Retailer 5$4,683 SGD
Retailer 11$4,804 SGD
Retailer 7$5,246 SGD
Retailer 6$5,508 SGD
MOH London$7,493 SGD

33 data points across 12 retailers

15 retailers$3,826 SGD to $7,493 SGD

Retailer 1
-
$3,370 SGD
₹251,089 INR
Price last confirmed 9 days ago
Retailer 2
-
$3,675 SGD
$2,875 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$3,826 SGD
$2,993 USD
View
B+
Retailer 4
-
$3,977 SGD
$3,111 USD
View
B+
Retailer 5
-
$4,136 SGD
$3,235 USD
View
Final sale: no returns
B+
Retailer 6
-
$4,315 SGD
$3,375 USD
View
B+
Retailer 7
-
$4,371 SGD
£2,692 GBP
View
Retailer 8
-
$4,481 SGD
$3,505 USD
View
Price last confirmed 25 days ago
B
Retailer 9
-
$4,666 SGD
$3,650 USD
View
B+
Retailer 10
-
$4,683 SGD
£2,884 GBP
View
Retailer 11
-
$4,804 SGD
A$5,782 AUD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$4,907 SGD
$3,839 USD
View
B
Retailer 13
-
$5,246 SGD
€3,908 EUR
View
B
Retailer 14
-
$5,508 SGD
ZAR 69,599 ZAR
View
Most Expensive
B
MOH London
83D39CF69 · Nov 1
$7,493 SGD
£4,615 GBP
View
14 more retailers have this diamond
Prices start from $3,826 SGDSave up to $3,667 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.

B+
1.00ct Cushion
$3,826 SGD