Round|Natural|GIA

0.40ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2557987969

Certificate GIA 2557987969

Diamond specifications and retailer prices

From $461 AUD
₹30,852 INR
As of October 20, 2026
12 retailers carry this diamond
Most expensive: $2,548 AUD at NZ Jewellers · As of October 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557987969. Listed at 12 retailers as of October 5, 2026. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557987969
Dimensions4.73 × 4.77 × 2.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
4.73 mm4.77 mm0.40 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557987969
Side View
Table 59.0%Crown 32°Girdle: STK-STKPavilion 41.8°Culet: NoneDepth 61.6%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 20
Current: $461 AUD|Low: $461 AUD|High: $1,966 AUD|Avg: $933 AUD|-12.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 20, 2026
Retailer 1$461 AUD
Retailer 9$541 AUD
Retailer 2$547 AUD
Retailer 4$650 AUD
Retailer 5$669 AUD
Retailer 6$758 AUD
Retailer 3$772 AUD
Retailer 8$869 AUD
Retailer 10$1,030 AUD
Retailer 11$1,484 AUD
Retailer 7$1,792 AUD

31 data points across 11 retailers

12 retailers$461 AUD to $2,548 AUD

Retailer 1
-
$461 AUD
₹30,852 INR
Price last confirmed 9 days ago
Retailer 2
-
$541 AUD
$380 USD
View
Price last confirmed 11 days ago
Retailer 3
-
$547 AUD
HK$3,000 HKD
View
Price last confirmed 7 days ago
Retailer 4
-
$650 AUD
SGD 617 SGD
View
Price last confirmed 10 days ago
Retailer 5
-
$665 AUD
$467 USD
View
Price last confirmed 21 days ago
Retailer 6
-
$669 AUD
SGD 635 SGD
View
Price last confirmed 10 days ago
Retailer 7
-
$730 AUD
$513 USD
View
Price last confirmed 31 days ago
Retailer 8
-
$758 AUD
£419 GBP
View
Price last confirmed 10 days ago
Retailer 9
-
$767 AUD
$539 USD
View
Price last confirmed 20 days ago
Retailer 10
-
$869 AUD
$611 USD
View
Price last confirmed 10 days ago
Retailer 11
-
$1,484 AUD
£821 GBP
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
14a3b60a-8f3a-4cca-916a-0245cffe91e1 · Oct 5
$2,548 AUD
$1,790 USD
View
Price last confirmed 24 days ago
11 more retailers have this diamond

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.

0.40ct Round
$461 AUD