Cushion|Natural|GIA

1.30ct E IF Cushion Natural Diamond

EX • E/IF • GIA 6552888351

Certificate GIA 6552888351

Diamond specifications and retailer prices

From $5,643 USD
SGD 7,625 SGD
As of October 29, 2026
Save $11,381 USD (67%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $17,024 USD at Diamond Quarter · As of October 28, 2026
View at Diamond Quarter

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552888351. Listed at 5 retailers as of October 28, 2026, with prices from $5,643 to $17,024, a $11,381 spread on the same certified stone. Diamond Quarter lists it at $17,024. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6552888351
Dimensions7.00 × 5.55 × 3.95 mm
L/W Ratio1.26
Culet sizeNone
Key to symbols
Extra Facet
Top View
7.00 mm5.55 mm1.30 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6552888351
Side View
Table 65.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 71.2%

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: Oct 29
Current: $5,822 USD|Low: $5,207 USD|High: $9,863 USD|Avg: $6,812 USD|+6.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 3$5,643 USD
Retailer 1$5,822 USD
Retailer 4$6,774 USD
Retailer 2$9,571 USD

44 data points across 4 retailers

5 retailers$5,643 USD to $17,024 USD

A
Cheapest Retailer
-
$5,643 USD
SGD 7,625 SGD
A
Retailer 2
-
$5,822 USD
£4,584 GBP
View
A
Retailer 3
-
$6,774 USD
View
A
Retailer 4
-
$9,571 USD
£7,536 GBP
View
Most Expensive
B
Diamond Quarter
1.3IFE14330472N · Oct 28
$17,024 USD
£13,405 GBP
View
4 more retailers have this diamond
Prices start from $5,643 USDSave up to $11,381 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
$5,643 USD