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Cushion|Natural|GIA

0.80ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1378723039

Certificate GIA 1378723039

Diamond specifications and retailer prices

From €873 EUR
$975 USD
As of November 1, 2026
Save €318 EUR (27%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,190 EUR at Jared · As of October 30, 2026
View at Jared

About this 0.8ct natural cushion diamond

This 0.8ct natural cushion sits in the just-under-one-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 1378723039. Listed at 8 retailers as of October 30, 2026, with prices from €873 to €1,190, a €318 spread on the same certified stone. Jared lists it at €1,190. 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

0.80
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1378723039
Dimensions5.33 × 5.07 × 3.44 mm
L/W Ratio1.05
Culet sizeNone
Top View
5.33 mm5.07 mm0.80 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1378723039
Side View
Table 59.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.8%

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 1
Current: €1,190 EUR|Low: €873 EUR|High: €1,262 EUR|Avg: €1,033 EUR
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 19, 2026
Retailer 2€873 EUR
Retailer 7€888 EUR
Retailer 6€931 EUR
Retailer 5€943 EUR
Retailer 4€1,078 EUR
Retailer 3€1,155 EUR
Retailer 8€1,155 EUR
Jared€1,190 EUR

6 data points across 8 retailers

8 retailers€873 EUR to €1,190 EUR

A
Cheapest Retailer
-
€873 EUR
$975 USD
A
Retailer 2
-
€888 EUR
$992 USD
View
A
Retailer 3
-
€931 EUR
$1,040 USD
View
A
Retailer 4
-
€943 EUR
$1,053 USD
View
B+
Retailer 5
-
€1,078 EUR
$1,204 USD
View
B+
Retailer 6
-
€1,155 EUR
$1,290 USD
View
B+
Retailer 7
-
€1,155 EUR
$1,290 USD
View
Most Expensive
B+
Jared
141737523 · Oct 30
€1,190 EUR
$1,330 USD
View
7 more retailers have this diamond
Prices start from €873 EURSave up to €318 EUR

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
0.80ct Cushion
€873 EUR