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Round|Natural|GIA

0.40ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2557987969

Certificate GIA 2557987969

Diamond specifications and retailer prices

From $577 NZD
₹30,852 INR
As of October 20, 2026
14 retailers carry this diamond
Most expensive: $3,189 NZD 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 14 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 20
Current: $577 NZD|Low: $577 NZD|High: $2,460 NZD|Avg: $1,167 NZD|-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$577 NZD
Retailer 9$677 NZD
Retailer 2$684 NZD
Retailer 4$813 NZD
Retailer 5$837 NZD
Retailer 6$948 NZD
Retailer 3$966 NZD
Retailer 8$1,088 NZD
Retailer 10$1,289 NZD
Retailer 11$1,858 NZD
Retailer 7$2,243 NZD

31 data points across 11 retailers

14 retailers$577 NZD to $3,189 NZD

A
Retailer 1
-
$577 NZD
₹30,852 INR
Price last confirmed 9 days ago
A
Retailer 2
-
$677 NZD
$380 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$684 NZD
HK$3,000 HKD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$813 NZD
SGD 617 SGD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$832 NZD
$467 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$837 NZD
SGD 635 SGD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$914 NZD
$513 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
$948 NZD
£419 GBP
View
Price last confirmed 9 days ago
A
Retailer 9
-
$960 NZD
$539 USD
View
Price last confirmed 20 days ago
A
Retailer 10
-
$1,088 NZD
$611 USD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$1,289 NZD
€689 EUR
View
Price last confirmed 11 days ago
B
Retailer 12
-
$1,858 NZD
£821 GBP
View
Price last confirmed 10 days ago
B
Retailer 13
-
$2,243 NZD
CA$1,749 CAD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
14a3b60a-8f3a-4cca-916a-0245cffe91e1 · Oct 5
$3,189 NZD
$1,790 USD
View
Price last confirmed 23 days ago
13 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.

A
0.40ct Round
$577 NZD