Cushion|Natural|GIA

1.30ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 2566533543

Certificate GIA 2566533543

Diamond specifications and retailer prices

From $2,560 USD
As of November 6, 2026
Save $3,226 USD (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,786 USD at MOH London · As of November 1, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566533543. Listed at 9 retailers as of November 1, 2026, with prices from $2,560 to $5,786, a $3,226 spread on the same certified stone. MOH London lists it at $5,786. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566533543
Dimensions7.32 × 5.69 × 3.95 mm
L/W Ratio1.29
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.32 mm5.69 mm1.30 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566533543
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.4%

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: Nov 6
Current: $5,786 USD|Low: $2,560 USD|High: $5,913 USD|Avg: $3,606 USD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$2,560 USD
Retailer 6$2,958 USD
Retailer 9$3,129 USD
Retailer 8$3,130 USD
Retailer 3$3,321 USD
Retailer 5$3,515 USD
Retailer 4$3,956 USD
Retailer 2$4,814 USD
MOH London$5,786 USD

18 data points across 9 retailers

9 retailers$2,560 USD to $5,786 USD

A
Cheapest Retailer
-
$2,560 USD
A
Retailer 2
-
$2,958 USD
View
B+
Retailer 3
-
$3,129 USD
View
B+
Retailer 4
-
$3,130 USD
View
B+
Retailer 5
-
$3,321 USD
View
B+
Retailer 6
-
$3,515 USD
View
B+
Retailer 7
-
$3,956 USD
View
B
Retailer 8
-
$4,814 USD
View
Most Expensive
B
MOH London
82A89C3B9 · Nov 1
$5,786 USD
£4,556 GBP
View
8 more retailers have this diamond
Prices start from $2,560 USDSave up to $3,226 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
$2,560 USD