Cushion|Natural|GIA

1.05ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6542230145

Certificate GIA 6542230145

Diamond specifications and retailer prices

From $856 USD
As of November 6, 2026
Save $358 USD (30%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,214 USD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-carat band, graded K 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 6542230145. Listed at 7 retailers as of November 6, 2026, with prices from $856 to $1,214, a $358 spread on the same certified stone. GemTrove lists it at $1,214. 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

1.05
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542230145
Dimensions5.73 × 5.66 × 3.80 mm
L/W Ratio1.01
Top View
5.73 mm5.66 mm1.05 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542230145
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,214 USD|Low: $790 USD|High: $1,226 USD|Avg: $1,005 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$856 USD
Retailer 4$862 USD
Retailer 3$942 USD
Retailer 2$968 USD
Retailer 6$976 USD
Retailer 5$1,060 USD
GemTrove$1,214 USD

41 data points across 7 retailers

7 retailers$856 USD to $1,214 USD

A
Cheapest Retailer
-
$856 USD
A
Retailer 2
-
$862 USD
View
Final sale: no returns
A
Retailer 3
-
$942 USD
View
A
Retailer 4
-
$968 USD
View
A
Retailer 5
-
$976 USD
View
A
Retailer 6
-
$1,060 USD
View
Most Expensive
B+
GemTrove
GT-N-00959194-98 · Nov 6
$1,214 USD
A$1,868 AUD
View
6 more retailers have this diamond
Prices start from $856 USDSave up to $358 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
1.05ct Cushion
$856 USD