Round|Natural|GIA

0.40ct D SI2 Round Natural Diamond

VG • D/SI2 • GIA 3515457102

Certificate GIA 3515457102

Diamond specifications and retailer prices

From €303 EUR
₹32,121 INR
As of October 30, 2026
Save €1,568 EUR (84%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: €1,871 EUR at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 very-good cut grade and certified by GIA 3515457102. Listed at 32 retailers as of October 29, 2026, with prices from €303 to €1,871, a €1,568 spread on the same certified stone. Diamond Quarter lists it at €1,871. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3515457102
Dimensions4.75 × 4.73 × 2.85 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
4.75 mm4.73 mm0.40 ctD / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3515457102
Side View
Table 61.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.2%

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 30
Current: €303 EUR|Low: €301 EUR|High: €1,204 EUR|Avg: €631 EUR|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 1€303 EUR
Retailer 6€357 EUR
Retailer 5€427 EUR
Retailer 8€449 EUR
Retailer 9€461 EUR
Retailer 2€517 EUR
Retailer 4€597 EUR
Retailer 3€969 EUR
Retailer 7€1,198 EUR

38 data points across 9 retailers

32 retailers€303 EUR to €1,871 EUR

A
Cheapest Retailer
-
€303 EUR
₹32,121 INR
A
Retailer 2
-
€357 EUR
HK$3,100 HKD
View
Retailer 3
-
€417 EUR
$464 USD
View
Price last confirmed 29 days ago
Retailer 4
-
€417 EUR
$464 USD
View
Price last confirmed 43 days ago
Retailer 5
-
€417 EUR
$464 USD
View
Price last confirmed 22 days ago
Retailer 6
-
€417 EUR
$464 USD
View
Price last confirmed 10 days ago
Retailer 7
-
€417 EUR
$464 USD
View
Price last confirmed 21 days ago
A
Retailer 8
-
€417 EUR
$464 USD
View
A
Retailer 9
-
€427 EUR
$475 USD
View
A
Retailer 10
-
€436 EUR
SGD 656 SGD
View
Retailer 11
-
€449 EUR
$500 USD
View
Price last confirmed 18 days ago
A
Retailer 12
-
€449 EUR
$500 USD
View
Retailer 13
-
€449 EUR
$500 USD
View
Price last confirmed 14 days ago
Retailer 14
-
€449 EUR
$500 USD
View
Price last confirmed 15 days ago
A
Retailer 15
-
€449 EUR
$500 USD
View
Retailer 16
-
€482 EUR
$536 USD
View
Price last confirmed 21 days ago
Retailer 17
-
€482 EUR
$536 USD
View
Price last confirmed 41 days ago
Retailer 18
-
€482 EUR
$536 USD
View
Price last confirmed 9 days ago
Retailer 19
-
€482 EUR
$536 USD
View
Price last confirmed 21 days ago
A
Retailer 20
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€482 EUR
$536 USD
View
B+
Retailer 21
-
€517 EUR
£453 GBP
View
B+
Retailer 22
-
€532 EUR
$592 USD
View
B+
Retailer 23
-
€535 EUR
$596 USD
View
B+
Retailer 24
-
€597 EUR
View
B
Retailer 25
-
€969 EUR
£849 GBP
View
B
Retailer 26
-
€1,198 EUR
£1,050 GBP
View
Retailer 27
-
€1,599 EUR
$1,780 USD
View
Price last confirmed 41 days ago
Retailer 28
-
€1,599 EUR
$1,780 USD
View
Price last confirmed 27 days ago
Retailer 29
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€1,599 EUR
$1,780 USD
View
Price last confirmed 10 days ago
Retailer 30
-
€1,599 EUR
$1,780 USD
View
Price last confirmed 21 days ago
B
Retailer 31
-
€1,599 EUR
$1,780 USD
View
Most Expensive
B
Diamond Quarter
0.4SI2D35020CDBN · Oct 29
€1,871 EUR
£1,640 GBP
View
31 more retailers have this diamond
Prices start from €303 EURSave up to €1,568 EUR

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
€303 EUR