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Round|Natural|GIA

1.24ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6511306625

Certificate GIA 6511306625

Diamond specifications and retailer prices

From $7,093 AUD
As of November 5, 2026
Save $5,853 AUD (45%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $12,945 AUD at NZ Jewellers · As of November 5, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6511306625. Listed at 5 retailers as of November 5, 2026, with prices from $7,093 to $12,945, a $5,853 spread on the same certified stone. NZ Jewellers lists it at $12,945. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6511306625
Dimensions6.82 × 6.85 × 4.30 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.82 mm6.85 mm1.24 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6511306625
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

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 5
Current: $12,945 AUD|Low: $5,660 AUD|High: $12,945 AUD|Avg: $9,474 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 4, 2026
Retailer 5$7,093 AUD
Retailer 4$7,144 AUD
Retailer 3$8,315 AUD
Retailer 2$12,294 AUD
NZ Jewellers$12,945 AUD

21 data points across 5 retailers

5 retailers$7,093 AUD to $12,945 AUD

B+
Cheapest Retailer
-
$7,093 AUD
B+
Retailer 2
-
$7,144 AUD
View
Final sale: no returns
B+
Retailer 3
-
$8,315 AUD
View
B
Retailer 4
-
$12,294 AUD
View
Most Expensive
B
NZ Jewellers
ac72ec46-5e5a-46f4-bd7e-8a87b0f381ee · Nov 5
$12,945 AUD
$9,062 USD
View
4 more retailers have this diamond
Prices start from $7,093 AUDSave up to $5,853 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
$7,093 AUD