Round|Natural|GIA

0.40ct L SI1 Round Natural Diamond

VG • L/SI1 • GIA 6401999484

Certificate GIA 6401999484

Diamond specifications and retailer prices

From $310 AUD
As of November 6, 2026
Save $1,371 AUD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,681 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 very-good cut grade and certified by GIA 6401999484. Listed at 12 retailers as of November 4, 2026, with prices from $310 to $1,681, a $1,371 spread on the same certified stone. NZ Jewellers lists it at $1,681. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.40
Carat
L
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6401999484
Dimensions4.66 × 4.64 × 2.96 mm
L/W Ratio1.00
Top View
4.66 mm4.64 mm0.40 ctL / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6401999484
Side View
Table 55.0%CrownGirdle: ThickPavilionCulet: NoneDepth 63.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,681 AUD|Low: $310 AUD|High: $1,713 AUD|Avg: $604 AUD|-1.8%
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
November 6, 2026
Retailer 4$310 AUD
Retailer 14$371 AUD
Retailer 6$374 AUD
Retailer 10$400 AUD
Retailer 11$414 AUD
Retailer 7$461 AUD
Retailer 3$500 AUD
Retailer 13$557 AUD
Retailer 8$577 AUD
Retailer 12$624 AUD
Retailer 5$707 AUD
Retailer 9$720 AUD
Retailer 2$747 AUD
NZ Jewellers$1,681 AUD

33 data points across 14 retailers

12 retailers$310 AUD to $1,681 AUD

B+
Cheapest Retailer
-
$310 AUD
B+
Retailer 2
-
$371 AUD
View
Retailer 3
-
$400 AUD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$414 AUD
View
B+
Retailer 5
-
$461 AUD
View
B+
Retailer 6
-
$500 AUD
View
B+
Retailer 7
-
$557 AUD
View
B+
Retailer 8
-
$577 AUD
View
B
Retailer 9
-
$624 AUD
View
B
Retailer 10
-
$720 AUD
View
B
Retailer 11
-
$747 AUD
View
Most Expensive
C
NZ Jewellers
b7a9de3c-90c2-44b8-9759-4068146a5f13 · Nov 4
$1,681 AUD
$1,177 USD
View
11 more retailers have this diamond
Prices start from $310 AUDSave up to $1,371 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+
0.40ct Round
$310 AUD