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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6552367885

Certificate GIA 6552367885

Diamond specifications and retailer prices

From $1,986 AUD
HK$10,900 HKD
As of October 25, 2026
Save $1,743 AUD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,682 AUD 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: $6,682 AUD|Low: $1,986 AUD|High: $6,862 AUD|Avg: $3,495 AUD|-2.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 3$1,986 AUD
Retailer 5$2,739 AUD
Retailer 6$2,796 AUD
Retailer 4$2,866 AUD
Retailer 8$3,006 AUD
Retailer 2$3,729 AUD
Retailer 7$4,891 AUD
NZ Jewellers$6,682 AUD

26 data points across 8 retailers

8 retailers$1,986 AUD to $3,729 AUD

A
Cheapest Retailer
-
$1,986 AUD
HK$10,900 HKD
A
Retailer 2
-
$2,739 AUD
$1,924 USD
View
A
Retailer 3
-
$2,796 AUD
SGD 2,654 SGD
View
A
Retailer 4
-
$2,866 AUD
$2,013 USD
View
A
Retailer 5
-
$3,006 AUD
View
A
Retailer 6
-
$3,729 AUD
€2,495 EUR
View
Retailer 7
-
$4,891 AUD
£2,705 GBP
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
01b540cd-782f-404d-bb02-4e501c37127d · Oct 23
$6,682 AUD
$4,694 USD
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from $1,986 AUDSave up to $1,743 AUD

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
$1,986 AUD