Round|Natural|GIA

1.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6562391418

Certificate GIA 6562391418

Diamond specifications and retailer prices

From $2,515 AUD
HK$13,800 HKD
As of October 31, 2026
Save $3,350 AUD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,865 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562391418. Listed at 13 retailers as of October 26, 2026, with prices from $2,515 to $5,865, a $3,350 spread on the same certified stone. MOH London lists it at $5,865. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6562391418
Dimensions6.32 × 6.37 × 3.96 mm
L/W Ratio1.01
Top View
6.32 mm6.37 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562391418
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: $5,865 AUD|Low: $2,496 AUD|High: $6,218 AUD|Avg: $3,750 AUD|-5.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5$2,515 AUD
Retailer 2$2,551 AUD
Retailer 12$3,021 AUD
Retailer 8$3,226 AUD
Retailer 10$3,338 AUD
Retailer 4$3,509 AUD
Retailer 11$3,542 AUD
Retailer 7$3,648 AUD
Retailer 9$3,985 AUD
Retailer 6$4,109 AUD
Retailer 3$4,879 AUD
MOH London$5,865 AUD

23 data points across 12 retailers

13 retailers$2,515 AUD to $5,865 AUD

A
Cheapest Retailer
-
$2,515 AUD
HK$13,800 HKD
A
Retailer 2
-
$2,551 AUD
₹170,683 INR
View
A
Retailer 3
-
$3,021 AUD
$2,122 USD
View
A
Retailer 4
-
$3,226 AUD
£1,784 GBP
View
A
Retailer 5
-
$3,338 AUD
$2,345 USD
View
B+
Retailer 6
-
$3,509 AUD
SGD 3,331 SGD
View
B+
Retailer 7
-
$3,542 AUD
$2,488 USD
View
B+
Retailer 8
-
$3,648 AUD
£2,018 GBP
View
B+
Retailer 9
-
$3,985 AUD
€2,666 EUR
View
B+
Retailer 10
-
$4,109 AUD
ZAR 46,627 ZAR
View
Retailer 11
-
$4,318 AUD
View
Price last confirmed 24 days ago
B+
Retailer 12
-
$4,879 AUD
$3,427 USD
View
Most Expensive
B
MOH London
F1A604DBC · Oct 26
$5,865 AUD
£3,244 GBP
View
12 more retailers have this diamond
Prices start from $2,515 AUDSave up to $3,350 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
$2,515 AUD