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Cushion|Natural|GIA

1.30ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2567541114

Certificate GIA 2567541114

Diamond specifications and retailer prices

From $2,025 USD
As of November 5, 2026
Save $1,650 USD (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,675 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half 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 2567541114. Listed at 6 retailers as of November 4, 2026, with prices from $2,025 to $3,675, a $1,650 spread on the same certified stone. MOH London lists it at $3,675. 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

1.30
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2567541114
Dimensions7.01 × 5.46 × 3.75 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
7.01 mm5.46 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567541114
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.7%

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 5
Current: $3,675 USD|Low: $2,025 USD|High: $3,706 USD|Avg: $2,594 USD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$2,025 USD
Retailer 2$2,041 USD
Retailer 5$2,285 USD
Retailer 4$2,567 USD
Retailer 3$2,858 USD
MOH London$3,675 USD

21 data points across 6 retailers

6 retailers$2,025 USD to $3,675 USD

A
Cheapest Retailer
-
$2,025 USD
A
Retailer 2
-
$2,041 USD
View
A
Retailer 3
-
$2,285 USD
View
B+
Retailer 4
-
$2,567 USD
View
B+
Retailer 5
-
$2,858 USD
View
Most Expensive
B
MOH London
346E923BD · Nov 4
$3,675 USD
£2,894 GBP
View
5 more retailers have this diamond
Prices start from $2,025 USDSave up to $1,650 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
1.30ct Cushion
$2,025 USD