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Round|Natural|GIA

0.40ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6442563677

Certificate GIA 6442563677

Diamond specifications and retailer prices

From $339 AUD
As of November 4, 2026
Save $1,196 AUD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,534 AUD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.4ct natural round diamond

This 0.4ct natural round sits in the sub-half-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6442563677. Listed at 11 retailers as of November 4, 2026, with prices from $339 to $1,534, a $1,196 spread on the same certified stone. NZ Jewellers lists it at $1,534. 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

0.40
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6442563677
Dimensions4.79 × 4.77 × 2.86 mm
L/W Ratio1.00
Top View
4.79 mm4.77 mm0.40 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6442563677
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.9%

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: $1,534 AUD|Low: $339 AUD|High: $1,534 AUD|Avg: $561 AUD
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 6, 2026
Retailer 9$339 AUD
Retailer 4$357 AUD
Retailer 12$364 AUD
Retailer 11$379 AUD
Retailer 8$443 AUD
Retailer 3$456 AUD
Retailer 6$517 AUD
Retailer 10$524 AUD
Retailer 7$527 AUD
Retailer 5$669 AUD
Retailer 2$681 AUD
NZ Jewellers$1,534 AUD

43 data points across 12 retailers

11 retailers$339 AUD to $1,534 AUD

A
Cheapest Retailer
-
$339 AUD
Retailer 2
-
$364 AUD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$379 AUD
View
B+
Retailer 4
-
$443 AUD
View
B+
Retailer 5
-
$456 AUD
View
B+
Retailer 6
-
$517 AUD
View
B+
Retailer 7
-
$524 AUD
View
B+
Retailer 8
-
$527 AUD
View
B
Retailer 9
-
$669 AUD
View
B
Retailer 10
-
$681 AUD
View
Most Expensive
B
NZ Jewellers
9a233b69-61f3-4adb-8481-b0f4735ff657 · Nov 4
$1,534 AUD
$1,074 USD
View
10 more retailers have this diamond
Prices start from $339 AUDSave up to $1,196 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
0.40ct Round
$339 AUD