Cushion|Natural|GIA

1.00ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 5413612717

Certificate GIA 5413612717

Diamond specifications and retailer prices

From $803 USD
As of November 6, 2026
Save $2,214 USD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,017 USD at Adiamor · As of November 5, 2026
View at Adiamor

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5413612717. Listed at 13 retailers as of November 5, 2026, with prices from $803 to $3,017, a $2,214 spread on the same certified stone. Adiamor lists it at $3,017. 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
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5413612717
Dimensions5.55 × 5.48 × 4.13 mm
L/W Ratio1.01
Top View
5.55 mm5.48 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5413612717
Side View
Table 58.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 75.3%

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: $803 USD|Low: $803 USD|High: $2,124 USD|Avg: $1,321 USD|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$803 USD
Retailer 7$832 USD
Retailer 6$1,095 USD
Retailer 9$1,146 USD
Retailer 4$1,150 USD
Retailer 2$1,172 USD
Retailer 5$1,293 USD
Retailer 3$1,593 USD
Retailer 8$2,110 USD

29 data points across 9 retailers

13 retailers$803 USD to $3,017 USD

A
Cheapest Retailer
-
$803 USD
A
Retailer 2
-
$832 USD
View
B+
Retailer 3
-
$1,095 USD
View
Retailer 4
-
$1,146 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$1,150 USD
View
B+
Retailer 6
-
$1,155 USD
View
A
Retailer 7
-
$1,172 USD
View
B+
Retailer 8
-
$1,271 USD
View
B+
Retailer 9
-
$1,280 USD
View
B+
Retailer 10
-
$1,293 USD
View
B+
Retailer 11
-
$1,593 USD
View
Retailer 12
-
$2,110 USD
View
Price last confirmed 8 days ago
Most Expensive
C
Adiamor
D-51269128 · Nov 5
$3,017 USD
View
12 more retailers have this diamond
Prices start from $803 USDSave up to $2,214 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
$803 USD