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Round|Natural|GIA

1.40ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6522188508

Certificate GIA 6522188508

Diamond specifications and retailer prices

From $5,420 AUD
As of November 5, 2026
Save $2,008 AUD (27%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $12,175 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 6522188508. Listed at 11 retailers as of November 4, 2026, with a 37% 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 angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6522188508
Dimensions7.15 × 7.11 × 4.46 mm
L/W Ratio1.01
Star length50%
Top View
7.15 mm7.11 mm1.40 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522188508
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $12,175 AUD|Low: $4,923 AUD|High: $12,305 AUD|Avg: $7,408 AUD|-1.1%
NZ Jewellers
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
October 27, 2026
Retailer 4$5,403 AUD
Retailer 12$5,420 AUD
Retailer 10$5,907 AUD
Retailer 3$6,331 AUD
Retailer 13$6,331 AUD
Retailer 5$6,400 AUD
Retailer 7$6,443 AUD
Retailer 9$7,185 AUD
Retailer 14$7,185 AUD
Retailer 15$7,305 AUD
Retailer 11$7,428 AUD
Retailer 2$7,940 AUD
Retailer 6$8,547 AUD
Retailer 8$11,144 AUD
NZ Jewellers$12,175 AUD

23 data points across 15 retailers

11 retailers$5,420 AUD to $7,428 AUD

Retailer 1
-
$5,403 AUD
Price last confirmed 11 days ago
A
Retailer 2
-
$5,420 AUD
View
Retailer 3
-
$6,331 AUD
View
Price last confirmed 15 days ago
Retailer 4
-
$6,331 AUD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$7,185 AUD
View
A
Retailer 6
-
$7,185 AUD
View
Retailer 7
-
$7,305 AUD
View
Price last confirmed 14 days ago
A
Retailer 8
-
$7,428 AUD
View
Retailer 9
-
$7,940 AUD
View
Price last confirmed 10 days ago
Retailer 10
-
$11,144 AUD
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
9cf7f93e-702f-4f97-8f4c-4211de8b10f2 · Oct 20
$12,175 AUD
$8,523 USD
View
Price last confirmed 16 days ago
10 more retailers have this diamond
Prices start from $5,420 AUDSave up to $2,008 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
$5,420 AUD