Cushion|Natural|GIA

1.00ct M SI1 Cushion Natural Diamond

ID • M/SI1 • GIA 7451780590

Certificate GIA 7451780590

Diamond specifications and retailer prices

From $1,315 NZD
As of November 6, 2026
Save $975 NZD (43%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,290 NZD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7451780590. Listed at 9 retailers as of November 6, 2026, with prices from $1,315 to $2,290, a $975 spread on the same certified stone. Yorxs lists it at $2,290. 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
M
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7451780590
Dimensions6.01 × 5.22 × 3.65 mm
L/W Ratio1.15
Top View
6.01 mm5.22 mm1.00 ctM / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7451780590
Side View
Table 64.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 69.9%

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: Nov 6
Current: $1,317 NZD|Low: $1,315 NZD|High: $2,400 NZD|Avg: $1,874 NZD|-8.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 6, 2026
Retailer 7$1,315 NZD
Retailer 1$1,317 NZD
Retailer 6$1,732 NZD
Retailer 4$1,770 NZD
Retailer 8$1,963 NZD
Retailer 3$2,010 NZD
Retailer 5$2,038 NZD
Retailer 2$2,159 NZD
Yorxs$2,290 NZD

45 data points across 9 retailers

9 retailers$1,315 NZD to $2,290 NZD

A
Cheapest Retailer
-
$1,315 NZD
A
Retailer 2
-
$1,317 NZD
View
B+
Retailer 3
-
$1,732 NZD
View
Retailer 4
-
$1,770 NZD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$1,963 NZD
View
B+
Retailer 6
-
$2,010 NZD
View
B+
Retailer 7
-
$2,038 NZD
View
B+
Retailer 8
-
$2,159 NZD
View
Most Expensive
B+
Yorxs
622685051 · Nov 6
$2,290 NZD
€1,209 EUR
View
8 more retailers have this diamond
Prices start from $1,315 NZDSave up to $975 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
$1,315 NZD