Cushion|Natural|GIA

1.30ct E SI1 Cushion Natural Diamond

ID • E/SI1 • GIA 6541950338

Certificate GIA 6541950338

Diamond specifications and retailer prices

From $3,776 USD
As of November 6, 2026
Save $4,054 USD (52%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,830 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 6541950338. Listed at 17 retailers as of November 4, 2026, with prices from $3,776 to $7,830, a $4,054 spread on the same certified stone. MOH London lists it at $7,830. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.75°
Pavilion angle54.07°
OriginNatural
Grading LabGIA
CertificateGIA 6541950338
Dimensions7.23 × 5.49 × 3.81 mm
L/W Ratio1.32
Top View
7.23 mm5.49 mm1.30 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541950338
Side View
Table 65.0%Crown 42.75°Girdle: THN-THKPavilion 54.07°Culet: NoneDepth 69.4%

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: $7,830 USD|Low: $3,750 USD|High: $7,892 USD|Avg: $5,032 USD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 14$3,776 USD
Retailer 2$3,794 USD
Retailer 7$4,299 USD
Retailer 5$4,549 USD
Retailer 13$4,557 USD
Retailer 15$4,640 USD
Retailer 9$4,781 USD
Retailer 4$4,808 USD
Retailer 12$4,856 USD
Retailer 16$4,929 USD
Retailer 6$5,080 USD
Retailer 3$5,143 USD
Retailer 8$5,181 USD
Retailer 10$5,546 USD
Retailer 11$6,013 USD
MOH London$7,830 USD

23 data points across 16 retailers

17 retailers$3,776 USD to $7,830 USD

A
Cheapest Retailer
-
$3,776 USD
A
Retailer 2
-
$3,794 USD
View
A
Retailer 3
-
$4,299 USD
View
A
Retailer 4
-
$4,549 USD
View
Final sale: no returns
A
Retailer 5
-
$4,557 USD
View
B+
Retailer 6
-
$4,640 USD
View
B+
Retailer 7
-
$4,781 USD
View
Retailer 8
-
$4,808 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$4,856 USD
View
Retailer 10
-
$4,929 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$5,080 USD
View
B+
Retailer 12
-
$5,143 USD
View
B+
Retailer 13
-
$5,181 USD
View
Retailer 14
-
$5,394 USD
View
Price last confirmed 28 days ago
B+
Retailer 15
-
$5,546 USD
View
B+
Retailer 16
-
$6,013 USD
View
Most Expensive
B
MOH London
41D720B37 · Nov 4
$7,830 USD
£6,165 GBP
View
16 more retailers have this diamond
Prices start from $3,776 USDSave up to $4,054 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
$3,776 USD