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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 $4,266 NZD
As of November 6, 2026
Save $3,814 NZD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,080 NZD 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 $4,266 to $8,080, a $3,814 spread on the same certified stone. MOH London lists it at $8,080. 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
Colour
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: $8,080 NZD|Low: $3,913 NZD|High: $8,199 NZD|Avg: $5,346 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$4,266 NZD
Retailer 4$4,447 NZD
Retailer 5$4,623 NZD
Retailer 3$4,892 NZD
Retailer 7$5,181 NZD
Retailer 2$5,740 NZD
MOH London$8,080 NZD

46 data points across 7 retailers

7 retailers$4,266 NZD to $8,080 NZD

A
Cheapest Retailer
-
$4,266 NZD
Final sale: no returns
A
Retailer 2
-
$4,447 NZD
View
Retailer 3
-
$4,623 NZD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$4,892 NZD
View
Retailer 5
-
$5,181 NZD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$5,740 NZD
View
Most Expensive
B+
MOH London
9E10553AD · Nov 4
$8,080 NZD
£3,527 GBP
View
6 more retailers have this diamond
Prices start from $4,266 NZDSave up to $3,814 NZD

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
$4,266 NZD