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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 $1,170 USD
As of October 29, 2026
Save $1,477 USD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,647 USD 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 $1,170 to $2,647, a $1,477 spread on the same certified stone. MOH London lists it at $2,647. 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
Color
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

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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: $2,647 USD|Low: $975 USD|High: $5,809 USD|Avg: $1,638 USD|+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$1,170 USD
Retailer 15$1,180 USD
Retailer 13$1,256 USD
Retailer 7$1,261 USD
Retailer 9$1,272 USD
Retailer 4$1,294 USD
Retailer 17$1,361 USD
Retailer 3$1,431 USD
Retailer 5$1,445 USD
Retailer 8$1,473 USD
Retailer 18$1,504 USD
Retailer 10$1,578 USD
Retailer 2$1,672 USD
Retailer 16$1,697 USD
Retailer 6$1,856 USD
Retailer 11$2,050 USD
Retailer 14$2,145 USD
MOH London$2,647 USD

45 data points across 18 retailers

18 retailers$1,170 USD to $2,647 USD

A
Cheapest Retailer
-
$1,170 USD
A
Retailer 2
-
$1,180 USD
View
A
Retailer 3
-
$1,256 USD
View
Final sale: no returns
A
Retailer 4
-
$1,261 USD
View
A
Retailer 5
-
$1,272 USD
View
A
Retailer 6
-
$1,294 USD
View
A
Retailer 7
-
$1,361 USD
View
A
Retailer 8
-
$1,431 USD
View
A
Retailer 9
-
$1,445 USD
View
A
Retailer 10
-
$1,473 USD
View
Retailer 11
-
$1,504 USD
£1,184 GBP
View
Price last confirmed 30 days ago
A
Retailer 12
-
$1,578 USD
View
A
Retailer 13
-
$1,672 USD
£1,317 GBP
View
B+
Retailer 14
-
$1,697 USD
View
B+
Retailer 15
-
$1,856 USD
CA$2,577 CAD
View
B+
Retailer 16
-
$2,050 USD
€1,952 EUR
View
B+
Retailer 17
-
$2,145 USD
View
Most Expensive
B+
MOH London
ED67DCC65 · Oct 29
$2,647 USD
£2,084 GBP
View
17 more retailers have this diamond
Prices start from $1,170 USDSave up to $1,477 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
1.00ct Cushion
$1,170 USD