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Heart|Natural|GIA

0.40ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1565300207

Certificate GIA 1565300207

Diamond specifications and retailer prices

From €356 EUR
SGD 537 SGD
As of October 31, 2026
Save €183 EUR (34%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €539 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565300207. Listed at 6 retailers as of October 27, 2026, with prices from €356 to €539, a €183 spread on the same certified stone. Wholesale Diamonds Direct lists it at €539. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.36°
Pavilion angle39.36°
OriginNatural
Grading LabGIA
CertificateGIA 1565300207
Dimensions4.48 × 5.11 × 2.99 mm
L/W Ratio1.14
Culet sizeNone
Top View
4.48 mm5.11 mm0.40 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1565300207
Side View
Table 59.0%Crown 37.36°Girdle: MED-VTKPavilion 39.36°Culet: NoneDepth 58.5%

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: €431 EUR|Low: €356 EUR|High: €539 EUR|Avg: €432 EUR|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
November 1, 2026
Retailer 4€356 EUR
Retailer 5€391 EUR
Retailer 3€405 EUR
Retailer 1€431 EUR
Retailer 2€463 EUR
Wholesale Diamonds Direct€539 EUR

35 data points across 6 retailers

6 retailers€356 EUR to €539 EUR

A
Cheapest Retailer
-
€356 EUR
SGD 537 SGD
B+
Retailer 2
-
€391 EUR
SGD 590 SGD
View
B+
Retailer 3
-
€405 EUR
$453 USD
View
B+
Retailer 4
-
€431 EUR
£379 GBP
View
B
Retailer 5
-
€463 EUR
$517 USD
View
Most Expensive
B
Wholesale Diamonds Direct
404324842 · Oct 27
€539 EUR
$602 USD
View
5 more retailers have this diamond
Prices start from €356 EURSave up to €183 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
€356 EUR