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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 $324 USD
₹30,852 INR
As of October 20, 2026
14 retailers carry this diamond
Most expensive: $1,790 USD 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
Color
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

How it works →
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: $324 USD|Low: $324 USD|High: $1,381 USD|Avg: $655 USD|-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$324 USD
Retailer 9$380 USD
Retailer 2$384 USD
Retailer 4$457 USD
Retailer 5$470 USD
Retailer 6$532 USD
Retailer 3$542 USD
Retailer 8$611 USD
Retailer 10$723 USD
Retailer 11$1,043 USD
Retailer 7$1,259 USD

31 data points across 11 retailers

14 retailers$324 USD to $1,790 USD

A
Retailer 1
-
$324 USD
₹30,852 INR
Price last confirmed 9 days ago
A
Retailer 2
-
$380 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$384 USD
HK$3,000 HKD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$457 USD
SGD 617 SGD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$467 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$470 USD
SGD 635 SGD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$513 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
$532 USD
£419 GBP
View
Price last confirmed 9 days ago
A
Retailer 9
-
$539 USD
View
Price last confirmed 20 days ago
A
Retailer 10
-
$611 USD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$723 USD
€689 EUR
View
Price last confirmed 11 days ago
B
Retailer 12
-
$1,043 USD
£821 GBP
View
Price last confirmed 10 days ago
B
Retailer 13
-
$1,259 USD
CA$1,749 CAD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
14a3b60a-8f3a-4cca-916a-0245cffe91e1 · Oct 5
$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
$324 USD