Round|Natural|GIA

1.24ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5556472410

Certificate GIA 5556472410

Diamond specifications and retailer prices

From $5,056 AUD
As of November 2, 2026
Save $5,257 AUD (51%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,313 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.24ct natural round diamond

This 1.24ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5556472410. Listed at 9 retailers as of November 2, 2026, with prices from $5,056 to $10,313, a $5,257 spread on the same certified stone. NZ Jewellers lists it at $10,313. 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

1.24
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5556472410
Dimensions6.80 × 6.84 × 4.28 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.80 mm6.84 mm1.24 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5556472410
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $10,313 AUD|Low: $5,056 AUD|High: $10,313 AUD|Avg: $6,689 AUD|+0.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 12$5,056 AUD
Retailer 8$5,146 AUD
Retailer 4$5,287 AUD
Retailer 9$5,302 AUD
Retailer 3$5,877 AUD
Retailer 5$5,890 AUD
Retailer 10$5,890 AUD
Retailer 2$6,075 AUD
Retailer 6$6,567 AUD
Retailer 11$8,639 AUD
Retailer 7$9,900 AUD
NZ Jewellers$10,313 AUD

15 data points across 12 retailers

9 retailers$5,056 AUD to $10,313 AUD

B+
Cheapest Retailer
-
$5,056 AUD
B+
Retailer 2
-
$5,146 AUD
View
B+
Retailer 3
-
$5,302 AUD
View
B+
Retailer 4
-
$5,890 AUD
View
B+
Retailer 5
-
$5,890 AUD
View
B+
Retailer 6
-
$6,075 AUD
View
B+
Retailer 7
-
$6,567 AUD
View
B
Retailer 8
-
$9,900 AUD
View
Most Expensive
B
NZ Jewellers
8d70cd4c-8e0f-463e-b4b6-0480ba15479e · Nov 2
$10,313 AUD
$7,086 USD
View
8 more retailers have this diamond
Prices start from $5,056 AUDSave up to $5,257 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.

B+
1.24ct Round
$5,056 AUD