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Cushion|Natural|GIA

1.30ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6552251784

Certificate GIA 6552251784

Diamond specifications and retailer prices

From $2,365 USD
As of November 6, 2026
Save $2,114 USD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,479 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552251784. Listed at 7 retailers as of November 4, 2026, with prices from $2,365 to $4,479, a $2,114 spread on the same certified stone. MOH London lists it at $4,479. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceVery Strong
OriginNatural
Grading LabGIA
CertificateGIA 6552251784
Dimensions6.85 × 5.49 × 3.85 mm
L/W Ratio1.25
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Natural
Top View
6.85 mm5.49 mm1.30 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceVery Strong
CertificateGIA 6552251784
Side View
Table 59.0%CrownGirdlePavilionCulet: NoneDepth 70.2%

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: $4,479 USD|Low: $2,169 USD|High: $4,545 USD|Avg: $2,963 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$2,365 USD
Retailer 4$2,465 USD
Retailer 5$2,563 USD
Retailer 3$2,712 USD
Retailer 7$2,872 USD
Retailer 2$3,182 USD
MOH London$4,479 USD

46 data points across 7 retailers

7 retailers$2,365 USD to $4,479 USD

A
Cheapest Retailer
-
$2,365 USD
Final sale: no returns
A
Retailer 2
-
$2,465 USD
View
Retailer 3
-
$2,563 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$2,712 USD
View
Retailer 5
-
$2,872 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$3,182 USD
View
Most Expensive
B+
MOH London
9E10553AD · Nov 4
$4,479 USD
£3,527 GBP
View
6 more retailers have this diamond
Prices start from $2,365 USDSave up to $2,114 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
$2,365 USD