Round|Natural|GIA

0.80ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6405725798

Certificate GIA 6405725798

Diamond specifications and retailer prices

From €861 EUR
₹91,658 INR
As of October 31, 2026
Save €1,962 EUR (69%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,823 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 6405725798. Listed at 21 retailers as of October 30, 2026, with prices from €861 to €2,823, a €1,962 spread on the same certified stone. NZ Jewellers lists it at €2,823. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6405725798
Dimensions5.94 × 5.91 × 3.71 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.94 mm5.91 mm0.80 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6405725798
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: Oct 31
Current: €2,120 EUR|Low: €859 EUR|High: €3,131 EUR|Avg: €1,395 EUR|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6€861 EUR
Retailer 2€1,068 EUR
Retailer 11€1,072 EUR
Retailer 12€1,083 EUR
Retailer 4€1,157 EUR
Retailer 9€1,262 EUR
Retailer 5€1,315 EUR
Retailer 10€1,375 EUR
Retailer 8€1,503 EUR
Retailer 3€1,513 EUR
Retailer 7€1,712 EUR
Retailer 1€2,120 EUR

33 data points across 12 retailers

21 retailers€861 EUR to €2,823 EUR

A
Cheapest Retailer
-
€861 EUR
₹91,658 INR
Retailer 2
-
€894 EUR
HK$7,800 HKD
View
Price last confirmed 58 days ago
B+
Retailer 3
-
€1,033 EUR
$1,154 USD
View
B+
Retailer 4
-
€1,068 EUR
$1,193 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,072 EUR
$1,198 USD
View
B+
Retailer 6
-
€1,083 EUR
$1,210 USD
View
Retailer 7
-
€1,157 EUR
$1,293 USD
View
Price last confirmed 38 days ago
Retailer 8
-
€1,157 EUR
$1,293 USD
View
Price last confirmed 31 days ago
B+
Retailer 9
-
€1,157 EUR
$1,293 USD
View
B+
Retailer 10
-
€1,262 EUR
$1,410 USD
View
B
Retailer 11
-
€1,278 EUR
$1,428 USD
View
B
Retailer 12
-
€1,315 EUR
£1,156 GBP
View
B+
Retailer 13
-
€1,335 EUR
$1,492 USD
View
Retailer 14
-
€1,335 EUR
$1,492 USD
View
Price last confirmed 40 days ago
B
Retailer 15
-
€1,375 EUR
£1,210 GBP
View
B
Retailer 16
-
€1,503 EUR
View
Retailer 17
-
€1,513 EUR
A$2,601 AUD
View
Price last confirmed 28 days ago
B
Retailer 18
-
€1,712 EUR
ZAR 30,900 ZAR
View
B
Retailer 19
-
€2,120 EUR
£1,865 GBP
View
Retailer 20
-
€2,823 EUR
$3,154 USD
View
Price last confirmed 40 days ago
Most Expensive
B
NZ Jewellers
1e096078-c2b6-44c9-9d1f-7ea2608ddbbb · Oct 30
€2,823 EUR
$3,154 USD
View
20 more retailers have this diamond
Prices start from €861 EURSave up to €1,962 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 Round
€861 EUR