Cushion|Natural|GIA

1.00ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 1186397700

Certificate GIA 1186397700

Diamond specifications and retailer prices

From $2,076 NZD
$1,170 USD
As of October 31, 2026
Save $2,595 NZD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,671 NZD 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 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 31, 2026, with prices from $2,076 to $4,671, a $2,595 spread on the same certified stone. MOH London lists it at $4,671. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,671 NZD|Low: $1,730 NZD|High: $9,105 NZD|Avg: $2,792 NZD|-0.1%
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
November 1, 2026
Retailer 12$2,076 NZD
Retailer 15$2,094 NZD
Retailer 13$2,229 NZD
Retailer 7$2,237 NZD
Retailer 9$2,258 NZD
Retailer 4$2,296 NZD
Retailer 17$2,415 NZD
Retailer 3$2,539 NZD
Retailer 5$2,565 NZD
Retailer 8$2,614 NZD
Retailer 18$2,668 NZD
Retailer 10$2,800 NZD
Retailer 2$2,974 NZD
Retailer 16$3,011 NZD
Retailer 6$3,293 NZD
Retailer 11$3,640 NZD
Retailer 14$3,806 NZD
MOH London$4,671 NZD

45 data points across 18 retailers

18 retailers$2,076 NZD to $4,671 NZD

A
Cheapest Retailer
-
$2,076 NZD
$1,170 USD
A
Retailer 2
-
$2,094 NZD
$1,180 USD
View
A
Retailer 3
-
$2,229 NZD
$1,256 USD
View
Final sale: no returns
A
Retailer 4
-
$2,237 NZD
$1,261 USD
View
A
Retailer 5
-
$2,258 NZD
$1,272 USD
View
A
Retailer 6
-
$2,296 NZD
$1,294 USD
View
A
Retailer 7
-
$2,415 NZD
$1,361 USD
View
A
Retailer 8
-
$2,539 NZD
$1,431 USD
View
A
Retailer 9
-
$2,565 NZD
$1,445 USD
View
A
Retailer 10
-
$2,614 NZD
$1,473 USD
View
Retailer 11
-
$2,668 NZD
£1,184 GBP
View
Price last confirmed 32 days ago
A
Retailer 12
-
$2,800 NZD
$1,578 USD
View
A
Retailer 13
-
$2,974 NZD
£1,320 GBP
View
B+
Retailer 14
-
$3,011 NZD
$1,697 USD
View
B+
Retailer 15
-
$3,293 NZD
CA$2,577 CAD
View
B+
Retailer 16
-
$3,640 NZD
€1,954 EUR
View
B+
Retailer 17
-
$3,806 NZD
$2,145 USD
View
Most Expensive
B+
MOH London
ED67DCC65 · Nov 1
$4,671 NZD
£2,073 GBP
View
17 more retailers have this diamond
Prices start from $2,076 NZDSave up to $2,595 NZD

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
$2,076 NZD