Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6552367885

Certificate GIA 6552367885

Diamond specifications and retailer prices

From €1,249 EUR
HK$10,900 HKD
As of October 25, 2026
Save €1,096 EUR (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €4,202 EUR at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552367885. Listed at 8 retailers as of October 25, 2026, with a 88% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.00
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6552367885
Dimensions6.30 × 6.35 × 3.96 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Needle
Top View
6.30 mm6.35 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552367885
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 41°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 25
Current: €4,202 EUR|Low: €1,249 EUR|High: €4,314 EUR|Avg: €2,197 EUR|-2.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 3€1,249 EUR
Retailer 5€1,722 EUR
Retailer 6€1,758 EUR
Retailer 4€1,802 EUR
Retailer 8€1,890 EUR
Retailer 2€2,345 EUR
Retailer 7€3,075 EUR
NZ Jewellers€4,202 EUR

26 data points across 8 retailers

8 retailers€1,249 EUR to €2,345 EUR

A
Cheapest Retailer
-
€1,249 EUR
HK$10,900 HKD
A
Retailer 2
-
€1,722 EUR
$1,924 USD
View
A
Retailer 3
-
€1,758 EUR
SGD 2,654 SGD
View
A
Retailer 4
-
€1,802 EUR
$2,013 USD
View
A
Retailer 5
-
€1,890 EUR
A$3,248 AUD
View
A
Retailer 6
-
€2,345 EUR
View
Retailer 7
-
€3,075 EUR
£2,705 GBP
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
01b540cd-782f-404d-bb02-4e501c37127d · Oct 23
€4,202 EUR
$4,694 USD
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from €1,249 EURSave up to €1,096 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
1.00ct Round
€1,249 EUR