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Cushion|Natural|GIA

1.00ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 1186397700

Certificate GIA 1186397700

Diamond specifications and retailer prices

From $1,496 SGD
$1,170 USD
As of October 29, 2026
Save $1,888 SGD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,384 SGD at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1186397700. Listed at 18 retailers as of October 29, 2026, with prices from $1,496 to $3,384, a $1,888 spread on the same certified stone. MOH London lists it at $3,384. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1186397700
Dimensions5.87 × 5.72 × 3.69 mm
L/W Ratio1.03
Top View
5.87 mm5.72 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1186397700
Side View
Table 63.0%CrownGirdle: Very ThickPavilionCulet: NDepth 64.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,384 SGD|Low: $1,246 SGD|High: $7,427 SGD|Avg: $2,050 SGD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 12$1,496 SGD
Retailer 15$1,509 SGD
Retailer 13$1,606 SGD
Retailer 7$1,612 SGD
Retailer 9$1,627 SGD
Retailer 4$1,654 SGD
Retailer 17$1,740 SGD
Retailer 3$1,829 SGD
Retailer 5$1,848 SGD
Retailer 8$1,883 SGD
Retailer 18$1,922 SGD
Retailer 10$2,017 SGD
Retailer 2$2,138 SGD
Retailer 16$2,170 SGD
Retailer 6$2,372 SGD
Retailer 11$2,620 SGD
Retailer 14$2,742 SGD
MOH London$3,384 SGD

44 data points across 18 retailers

18 retailers$1,496 SGD to $3,384 SGD

A
Cheapest Retailer
-
$1,496 SGD
$1,170 USD
A
Retailer 2
-
$1,509 SGD
$1,180 USD
View
A
Retailer 3
-
$1,606 SGD
$1,256 USD
View
Final sale: no returns
A
Retailer 4
-
$1,612 SGD
$1,261 USD
View
A
Retailer 5
-
$1,627 SGD
$1,272 USD
View
A
Retailer 6
-
$1,654 SGD
$1,294 USD
View
A
Retailer 7
-
$1,740 SGD
$1,361 USD
View
A
Retailer 8
-
$1,829 SGD
$1,431 USD
View
A
Retailer 9
-
$1,848 SGD
$1,445 USD
View
A
Retailer 10
-
$1,883 SGD
$1,473 USD
View
Retailer 11
-
$1,922 SGD
£1,184 GBP
View
Price last confirmed 31 days ago
A
Retailer 12
-
$2,017 SGD
$1,578 USD
View
A
Retailer 13
-
$2,138 SGD
£1,317 GBP
View
B+
Retailer 14
-
$2,170 SGD
$1,697 USD
View
B+
Retailer 15
-
$2,372 SGD
CA$2,577 CAD
View
B+
Retailer 16
-
$2,620 SGD
€1,952 EUR
View
B+
Retailer 17
-
$2,742 SGD
$2,145 USD
View
Most Expensive
B+
MOH London
ED67DCC65 · Oct 29
$3,384 SGD
£2,084 GBP
View
17 more retailers have this diamond
Prices start from $1,496 SGDSave up to $1,888 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
$1,496 SGD