CaratHunter
Plans
Round|Natural|GIA

1.23ct I VVS1 Round Natural Diamond

EX • I/VVS1 • GIA 6555862870

Certificate GIA 6555862870

Diamond specifications and retailer prices

From $5,456 AUD
As of November 6, 2026
Save $4,909 AUD (47%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,366 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 6555862870. Listed at 21 retailers as of November 4, 2026, with prices from $5,456 to $10,366, a $4,909 spread on the same certified stone. MOH London lists it at $10,366. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
I
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555862870
Dimensions6.84 × 6.88 × 4.20 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
6.84 mm6.88 mm1.23 ctI / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6555862870
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.2%

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: Nov 6
Current: $10,366 AUD|Low: $5,002 AUD|High: $10,519 AUD|Avg: $6,785 AUD|+7.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 5$5,456 AUD
Retailer 6$5,533 AUD
Retailer 17$5,676 AUD
Retailer 11$5,756 AUD
Retailer 15$5,848 AUD
Retailer 8$6,025 AUD
Retailer 10$6,049 AUD
Retailer 14$6,498 AUD
Retailer 16$6,498 AUD
Retailer 2$6,632 AUD
Retailer 4$6,724 AUD
Retailer 18$6,724 AUD
Retailer 9$6,923 AUD
Retailer 3$6,957 AUD
Retailer 13$6,966 AUD
Retailer 12$7,300 AUD
Retailer 7$7,607 AUD
Retailer 19$9,530 AUD
MOH London$10,366 AUD

30 data points across 19 retailers

21 retailers$5,456 AUD to $10,366 AUD

A
Cheapest Retailer
-
$5,456 AUD
Final sale: no returns
A
Retailer 2
-
$5,533 AUD
View
A
Retailer 3
-
$5,676 AUD
View
Retailer 4
-
$5,756 AUD
View
Price last confirmed 44 days ago
A
Retailer 5
-
$5,848 AUD
View
B+
Retailer 6
-
$6,498 AUD
View
B+
Retailer 7
-
$6,498 AUD
View
B+
Retailer 8
-
$6,632 AUD
View
Retailer 9
-
$6,641 AUD
View
Price last confirmed 46 days ago
Retailer 10
-
$6,641 AUD
View
Price last confirmed 69 days ago
B+
Retailer 11
-
$6,724 AUD
View
B+
Retailer 12
-
$6,724 AUD
View
Retailer 13
-
$6,923 AUD
View
Price last confirmed 43 days ago
B+
Retailer 14
-
$6,957 AUD
View
B+
Retailer 15
-
$6,966 AUD
View
B+
Retailer 16
-
$7,300 AUD
View
B+
Retailer 17
-
$7,607 AUD
View
B
Retailer 18
-
$9,530 AUD
View
Retailer 19
-
$10,028 AUD
View
Price last confirmed 67 days ago
Retailer 20
-
$10,028 AUD
View
Price last confirmed 43 days ago
Most Expensive
B
MOH London
307BEFF41 · Nov 4
$10,366 AUD
£5,608 GBP
View
20 more retailers have this diamond
Prices start from $5,456 AUDSave up to $4,909 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
1.23ct Round
$5,456 AUD