Round|Natural|GIA

0.40ct D SI2 Round Natural Diamond

VG • D/SI2 • GIA 3515457102

Certificate GIA 3515457102

Diamond specifications and retailer prices

From €302 EUR
₹32,121 INR
As of October 30, 2026
Save €1,562 EUR (84%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: €1,864 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 €302 to €1,864, a €1,562 spread on the same certified stone. Diamond Quarter lists it at €1,864. 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
Color
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: €302 EUR|Low: €300 EUR|High: €1,199 EUR|Avg: €629 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€302 EUR
Retailer 6€355 EUR
Retailer 5€425 EUR
Retailer 8€448 EUR
Retailer 9€459 EUR
Retailer 2€515 EUR
Retailer 4€595 EUR
Retailer 3€965 EUR
Retailer 7€1,194 EUR

38 data points across 9 retailers

32 retailers€302 EUR to €1,864 EUR

A
Cheapest Retailer
-
€302 EUR
₹32,121 INR
A
Retailer 2
-
€355 EUR
HK$3,100 HKD
View
Retailer 3
-
€415 EUR
$464 USD
View
Price last confirmed 31 days ago
Retailer 4
-
€415 EUR
$464 USD
View
Price last confirmed 45 days ago
Retailer 5
-
€415 EUR
$464 USD
View
Price last confirmed 24 days ago
Retailer 6
-
€415 EUR
$464 USD
View
Price last confirmed 12 days ago
Retailer 7
-
€415 EUR
$464 USD
View
Price last confirmed 23 days ago
A
Retailer 8
-
€415 EUR
$464 USD
View
A
Retailer 9
-
€425 EUR
$475 USD
View
A
Retailer 10
-
€435 EUR
SGD 656 SGD
View
Retailer 11
-
€448 EUR
$500 USD
View
Price last confirmed 20 days ago
A
Retailer 12
-
€448 EUR
$500 USD
View
Retailer 13
-
€448 EUR
$500 USD
View
Price last confirmed 16 days ago
Retailer 14
-
€448 EUR
$500 USD
View
Price last confirmed 17 days ago
A
Retailer 15
-
€448 EUR
$500 USD
View
Retailer 16
-
€480 EUR
$536 USD
View
Price last confirmed 23 days ago
Retailer 17
-
€480 EUR
$536 USD
View
Price last confirmed 43 days ago
Retailer 18
-
€480 EUR
$536 USD
View
Price last confirmed 11 days ago
Retailer 19
-
€480 EUR
$536 USD
View
Price last confirmed 23 days ago
A
Retailer 20
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€480 EUR
$536 USD
View
B+
Retailer 21
-
€515 EUR
£453 GBP
View
B+
Retailer 22
-
€530 EUR
$592 USD
View
B+
Retailer 23
-
€533 EUR
$596 USD
View
B+
Retailer 24
-
€595 EUR
View
B
Retailer 25
-
€965 EUR
£849 GBP
View
B
Retailer 26
-
€1,194 EUR
£1,050 GBP
View
Retailer 27
-
€1,593 EUR
$1,780 USD
View
Price last confirmed 43 days ago
Retailer 28
-
€1,593 EUR
$1,780 USD
View
Price last confirmed 29 days ago
Retailer 29
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€1,593 EUR
$1,780 USD
View
Price last confirmed 12 days ago
Retailer 30
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€1,593 EUR
$1,780 USD
View
Price last confirmed 23 days ago
B
Retailer 31
-
€1,593 EUR
$1,780 USD
View
Most Expensive
B
Diamond Quarter
0.4SI2D35020CDBN · Oct 29
€1,864 EUR
£1,640 GBP
View
31 more retailers have this diamond
Prices start from €302 EURSave up to €1,562 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
€302 EUR