Round|Natural|GIA

0.40ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 2417243082

Certificate GIA 2417243082

Diamond specifications and retailer prices

From $289 AUD
As of November 5, 2026
Save $1,590 AUD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,878 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 2417243082. Listed at 12 retailers as of November 4, 2026, with prices from $289 to $1,878, a $1,590 spread on the same certified stone. NZ Jewellers lists it at $1,878. 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
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2417243082
Dimensions4.83 × 4.80 × 2.84 mm
L/W Ratio1.01
Top View
4.83 mm4.80 mm0.40 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2417243082
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 58.9%

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 5
Current: $1,878 AUD|Low: $289 AUD|High: $1,878 AUD|Avg: $699 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 2$289 AUD
Retailer 6$439 AUD
Retailer 3$520 AUD
Retailer 4$646 AUD
Retailer 5$694 AUD
Retailer 7$714 AUD
NZ Jewellers$1,878 AUD

44 data points across 7 retailers

12 retailers$289 AUD to $1,878 AUD

A
Cheapest Retailer
-
$289 AUD
B+
Retailer 2
-
$414 AUD
View
Retailer 3
-
$447 AUD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$463 AUD
View
B+
Retailer 5
-
$479 AUD
View
B+
Retailer 6
-
$520 AUD
View
B+
Retailer 7
-
$559 AUD
View
B+
Retailer 8
-
$600 AUD
View
B
Retailer 9
-
$646 AUD
View
B
Retailer 10
-
$714 AUD
View
B
Retailer 11
-
$736 AUD
View
Most Expensive
C
NZ Jewellers
b8475669-9b78-4cc6-93e6-ca032c67de32 · Nov 4
$1,878 AUD
$1,315 USD
View
11 more retailers have this diamond
Prices start from $289 AUDSave up to $1,590 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
$289 AUD