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Heart|Natural|GIA

0.40ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 2566480743

Certificate GIA 2566480743

Diamond specifications and retailer prices

From €437 EUR
$490 USD
As of October 31, 2026
Save €270 EUR (38%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €707 EUR at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 0.4ct natural heart diamond

This 0.4ct natural heart sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566480743. Listed at 8 retailers as of October 27, 2026, with prices from €437 to €707, a €270 spread on the same certified stone. Wholesale Diamonds Direct lists it at €707. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.42°
Pavilion angle40.04°
OriginNatural
Grading LabGIA
CertificateGIA 2566480743
Dimensions4.46 × 5.04 × 2.95 mm
L/W Ratio1.13
Culet sizeNone
Top View
4.46 mm5.04 mm0.40 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566480743
Side View
Table 60.0%Crown 33.42°Girdle: STK-VTKPavilion 40.04°Culet: NoneDepth 58.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €578 EUR|Low: €437 EUR|High: €707 EUR|Avg: €553 EUR|+5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 2, 2026
Retailer 5€437 EUR
Retailer 7€473 EUR
Retailer 3€487 EUR
Retailer 6€516 EUR
Retailer 1€578 EUR
Retailer 2€608 EUR
Retailer 4€615 EUR
Wholesale Diamonds Direct€707 EUR

32 data points across 8 retailers

8 retailers€437 EUR to €707 EUR

A
Cheapest Retailer
-
€437 EUR
$490 USD
A
Retailer 2
-
€473 EUR
SGD 717 SGD
View
A
Retailer 3
-
€487 EUR
SGD 738 SGD
View
B+
Retailer 4
-
€516 EUR
$579 USD
View
B+
Retailer 5
-
€578 EUR
£510 GBP
View
B
Retailer 6
-
€608 EUR
£537 GBP
View
B
Retailer 7
-
€615 EUR
$690 USD
View
Most Expensive
B
Wholesale Diamonds Direct
436499130 · Oct 27
€707 EUR
$793 USD
View
7 more retailers have this diamond
Prices start from €437 EURSave up to €270 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 Heart
€437 EUR