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Round|Natural|GIA

0.40ct D I1 Round Natural Diamond

VG • D/I1 • GIA 6501709010

Certificate GIA 6501709010

Diamond specifications and retailer prices

From $349 AUD
₹23,352 INR
As of October 30, 2026
Save $1,524 AUD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,873 AUD at NZ Jewellers · As of October 30, 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 D colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 6501709010. Listed at 9 retailers as of October 30, 2026, with prices from $349 to $1,873, a $1,524 spread on the same certified stone. NZ Jewellers lists it at $1,873. 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
D
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6501709010
Dimensions4.66 × 4.70 × 2.96 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.66 mm4.70 mm0.40 ctD / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6501709010
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

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: Oct 30
Current: $1,873 AUD|Low: $347 AUD|High: $1,873 AUD|Avg: $701 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$349 AUD
Retailer 10$419 AUD
Retailer 7$488 AUD
Retailer 9$527 AUD
Retailer 5$527 AUD
Retailer 4$545 AUD
Retailer 8$658 AUD
Retailer 6$698 AUD
Retailer 3$906 AUD
NZ Jewellers$1,873 AUD

40 data points across 10 retailers

9 retailers$349 AUD to $1,873 AUD

A
Cheapest Retailer
-
$349 AUD
₹23,352 INR
A
Retailer 2
-
$419 AUD
HK$2,300 HKD
View
A
Retailer 3
-
$488 AUD
$343 USD
View
B+
Retailer 4
-
$527 AUD
$370 USD
View
B+
Retailer 5
-
$545 AUD
$383 USD
View
B+
Retailer 6
-
$658 AUD
$462 USD
View
B+
Retailer 7
-
$698 AUD
$490 USD
View
B
Retailer 8
-
$906 AUD
€606 EUR
View
Most Expensive
B
NZ Jewellers
cd7b4b49-3cf2-4528-9478-7f68f085cae4 · Oct 30
$1,873 AUD
$1,316 USD
View
8 more retailers have this diamond
Prices start from $349 AUDSave up to $1,524 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
$349 AUD