Round|Natural|GIA

0.80ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5506585990

Certificate GIA 5506585990

Diamond specifications and retailer prices

From €1,040 EUR
$1,162 USD
As of October 31, 2026
Save €1,993 EUR (66%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €3,033 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5506585990. Listed at 20 retailers as of October 30, 2026, with prices from €1,040 to €3,033, a €1,993 spread on the same certified stone. NZ Jewellers lists it at €3,033. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5506585990
Dimensions5.93 × 5.88 × 3.67 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.93 mm5.88 mm0.80 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5506585990
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €1,607 EUR|Low: €866 EUR|High: €2,305 EUR|Avg: €1,515 EUR|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8€1,040 EUR
Retailer 11€1,081 EUR
Retailer 10€1,170 EUR
Retailer 7€1,231 EUR
Retailer 5€1,378 EUR
Retailer 3€1,410 EUR
Retailer 1€1,607 EUR
Retailer 9€1,623 EUR
Retailer 6€1,839 EUR
Retailer 2€2,030 EUR
Retailer 4€2,278 EUR

44 data points across 11 retailers

20 retailers€1,040 EUR to €3,033 EUR

B+
Cheapest Retailer
-
€1,040 EUR
$1,162 USD
Final sale: no returns
B+
Retailer 2
-
€1,066 EUR
$1,191 USD
View
B+
Retailer 3
-
€1,079 EUR
$1,205 USD
View
B+
Retailer 4
-
€1,081 EUR
$1,208 USD
View
B+
Retailer 5
-
€1,105 EUR
$1,235 USD
View
B+
Retailer 6
-
€1,127 EUR
$1,259 USD
View
B+
Retailer 7
-
€1,170 EUR
$1,307 USD
View
B
Retailer 8
-
€1,231 EUR
$1,375 USD
View
B
Retailer 9
-
€1,300 EUR
$1,452 USD
View
B+
Retailer 10
-
€1,343 EUR
$1,500 USD
View
B+
Retailer 11
-
€1,343 EUR
$1,500 USD
View
B+
Retailer 12
-
€1,378 EUR
£1,212 GBP
View
B
Retailer 13
-
€1,387 EUR
$1,550 USD
View
B
Retailer 14
-
€1,410 EUR
$1,575 USD
View
B
Retailer 15
-
€1,607 EUR
View
Retailer 16
-
€1,623 EUR
A$2,789 AUD
View
Price last confirmed 27 days ago
B
Retailer 17
-
€1,839 EUR
ZAR 33,196 ZAR
View
B
Retailer 18
-
€2,030 EUR
CA$3,150 CAD
View
B
Retailer 19
-
€2,278 EUR
£2,004 GBP
View
Most Expensive
B
NZ Jewellers
abd4e079-4c0d-4db3-8fbc-485f90a6eab7 · Oct 30
€3,033 EUR
$3,389 USD
View
19 more retailers have this diamond
Prices start from €1,040 EURSave up to €1,993 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.

B+
0.80ct Round
€1,040 EUR