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Round|Natural|GIA

0.40ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2557475517

Certificate GIA 2557475517

Diamond specifications and retailer prices

From €290 EUR
₹30,863 INR
As of November 1, 2026
Save €1,235 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,525 EUR at NZ Jewellers · As of October 29, 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 2557475517. Listed at 14 retailers as of October 29, 2026, with prices from €290 to €1,525, a €1,235 spread on the same certified stone. NZ Jewellers lists it at €1,525. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557475517
Dimensions4.69 × 4.71 × 2.95 mm
L/W Ratio1.00
Top View
4.69 mm4.71 mm0.40 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557475517
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

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: Nov 1
Current: €1,525 EUR|Low: €290 EUR|High: €1,609 EUR|Avg: €572 EUR|-5.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 2€290 EUR
Retailer 3€344 EUR
Retailer 6€353 EUR
Retailer 10€398 EUR
Retailer 4€422 EUR
Retailer 13€431 EUR
Retailer 14€431 EUR
Retailer 11€459 EUR
Retailer 8€492 EUR
Retailer 12€515 EUR
Retailer 5€549 EUR
Retailer 9€601 EUR
Retailer 7€919 EUR
NZ Jewellers€1,525 EUR

28 data points across 14 retailers

14 retailers€290 EUR to €1,525 EUR

A
Cheapest Retailer
-
€290 EUR
₹30,863 INR
A
Retailer 2
-
€344 EUR
HK$3,000 HKD
View
Retailer 3
-
€353 EUR
$394 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
€398 EUR
$445 USD
View
A
Retailer 5
-
€422 EUR
SGD 637 SGD
View
A
Retailer 6
-
€431 EUR
$481 USD
View
A
Retailer 7
-
€431 EUR
$481 USD
View
A
Retailer 8
-
€459 EUR
$513 USD
View
A
Retailer 9
-
€492 EUR
£433 GBP
View
A
Retailer 10
-
€515 EUR
$576 USD
View
A
Retailer 11
-
€549 EUR
$614 USD
View
B+
Retailer 12
-
€601 EUR
View
B
Retailer 13
-
€919 EUR
£808 GBP
View
Most Expensive
B
NZ Jewellers
99cf2bc7-9fe6-41ab-b03c-ebd5085d5933 · Oct 29
€1,525 EUR
$1,704 USD
View
13 more retailers have this diamond
Prices start from €290 EURSave up to €1,235 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
€290 EUR