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Round|Natural|GIA

1.24ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6555566402

Certificate GIA 6555566402

Diamond specifications and retailer prices

From $3,979 AUD
As of November 1, 2026
Save $1,598 AUD (29%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,578 AUD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.24ct natural round diamond

This 1.24ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555566402. Listed at 3 retailers as of November 1, 2026, with prices from $3,979 to $5,578, a $1,598 spread on the same certified stone. 77 Diamonds lists it at $5,578. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555566402
Dimensions6.84 × 6.88 × 4.30 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.84 mm6.88 mm1.24 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555566402
Side View
Table 57.0%Crown 33.5°GirdlePavilion 41.6°CuletDepth 62.6%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $5,578 AUD|Low: $3,979 AUD|High: $5,578 AUD|Avg: $4,796 AUD|+0.3%
77 Diamonds
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$3,979 AUD
Retailer 2$5,218 AUD
77 Diamonds$5,578 AUD

7 data points across 3 retailers

3 retailers$3,979 AUD to $5,578 AUD

B+
Cheapest Retailer
-
$3,979 AUD
B
Retailer 2
-
$5,218 AUD
€3,491 EUR
View
Most Expensive
B
77 Diamonds
RBZJTMCGNGA · Nov 2
$5,578 AUD
£3,085 GBP
View
2 more retailers have this diamond
Prices start from $3,979 AUDSave up to $1,598 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
$3,979 AUD