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Heart|Natural|GIA

0.40ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6565757149

Certificate GIA 6565757149

Diamond specifications and retailer prices

From €376 EUR
$420 USD
As of October 31, 2026
Save €149 EUR (28%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €525 EUR at DreamStone · As of October 31, 2026
View at DreamStone

About this 0.4ct natural heart diamond

This 0.4ct natural heart sits in the sub-half-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565757149. Listed at 5 retailers as of October 31, 2026, with prices from €376 to €525, a €149 spread on the same certified stone. DreamStone lists it at €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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.82°
Pavilion angle38.94°
OriginNatural
Grading LabGIA
CertificateGIA 6565757149
Dimensions4.52 × 5.12 × 2.95 mm
L/W Ratio1.13
Culet sizeNone
Top View
4.52 mm5.12 mm0.40 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565757149
Side View
Table 59.0%Crown 38.82°Girdle: THN-VTKPavilion 38.94°Culet: NoneDepth 57.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €525 EUR|Low: €376 EUR|High: €525 EUR|Avg: €452 EUR
DreamStone
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4€376 EUR
Retailer 5€404 EUR
Retailer 2€492 EUR
Retailer 3€519 EUR
DreamStone€525 EUR

4 data points across 5 retailers

5 retailers€376 EUR to €525 EUR

B+
Cheapest Retailer
-
€376 EUR
$420 USD
B+
Retailer 2
-
€404 EUR
SGD 610 SGD
View
B
Retailer 3
-
€492 EUR
£433 GBP
View
B
Retailer 4
-
€519 EUR
£456 GBP
View
Most Expensive
B
DreamStone
2710438 · Oct 31
€525 EUR
$586 USD
View
4 more retailers have this diamond
Prices start from €376 EURSave up to €149 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.

B+
0.40ct Heart
€376 EUR