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Round|Natural|GIA

1.40ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6512044653

Shape and cutting style on the report: Round brilliant

Certificate GIA 6512044653

Diamond specifications and retailer prices

From $7,724 AUD
As of November 4, 2026
Save $8,628 AUD (53%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $16,352 AUD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.4ct natural round diamond

This 1.4ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6512044653. Listed at 23 retailers as of November 4, 2026, with a 112% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.40
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6512044653
Dimensions7.15 × 7.10 × 4.44 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.15 mm7.10 mm1.40 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512044653
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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 4
Current: $9,222 AUD|Low: $8,175 AUD|High: $14,576 AUD|Avg: $10,712 AUD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$8,175 AUD
Retailer 2$8,575 AUD
Retailer 6$8,857 AUD
Retailer 1$9,222 AUD
Retailer 3$10,599 AUD
Retailer 5$14,078 AUD
Retailer 4$14,364 AUD

36 data points across 7 retailers

23 retailers$7,724 AUD to $16,352 AUD

A
Cheapest Retailer
-
$7,724 AUD
A
Retailer 2
-
$7,888 AUD
View
B+
Retailer 3
-
$8,175 AUD
View
Final sale: no returns
B+
Retailer 4
-
$8,575 AUD
View
B+
Retailer 5
-
$8,730 AUD
View
Retailer 6
-
$8,857 AUD
View
Price last confirmed 8 days ago
Retailer 7
-
$8,857 AUD
View
Price last confirmed 29 days ago
Retailer 8
-
$8,857 AUD
View
Price last confirmed 38 days ago
Retailer 9
-
$8,857 AUD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$9,222 AUD
View
B+
Retailer 11
-
$9,471 AUD
View
B+
Retailer 12
-
$9,471 AUD
View
B+
Retailer 13
-
$9,800 AUD
View
Retailer 14
-
$10,219 AUD
View
Price last confirmed 28 days ago
Retailer 15
-
$10,219 AUD
View
Price last confirmed 16 days ago
B+
Retailer 16
-
$10,219 AUD
View
B+
Retailer 17
-
$10,599 AUD
View
Retailer 18
-
$10,777 AUD
View
Price last confirmed 22 days ago
Retailer 19
-
$14,078 AUD
View
Price last confirmed 9 days ago
B
Retailer 20
-
$14,364 AUD
View
B
Retailer 21
-
$16,352 AUD
View
Retailer 22
-
$16,352 AUD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
749ecdc6-131d-45a6-9b48-f41e9b20c43d · Oct 20
$16,352 AUD
$11,447 USD
View
Price last confirmed 16 days ago
22 more retailers have this diamond
Prices start from $7,724 AUDSave up to $8,628 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
1.40ct Round
$7,724 AUD