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Heart|Natural|GIA

0.40ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 5566462590

Certificate GIA 5566462590

Diamond specifications and retailer prices

From $445 USD
SGD 602 SGD
As of October 29, 2026
Save $220 USD (33%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $665 USD 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566462590. Listed at 6 retailers as of October 27, 2026, with prices from $445 to $665, a $220 spread on the same certified stone. Wholesale Diamonds Direct lists it at $665. 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
E
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.61°
Pavilion angle40.06°
OriginNatural
Grading LabGIA
CertificateGIA 5566462590
Dimensions4.47 × 5.06 × 2.98 mm
L/W Ratio1.13
Culet sizeNone
Top View
4.47 mm5.06 mm0.40 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566462590
Side View
Table 59.0%Crown 38.61°Girdle: THN-VTKPavilion 40.06°Culet: NoneDepth 59.0%

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 29
Current: $543 USD|Low: $445 USD|High: $665 USD|Avg: $564 USD|+5.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Wholesale Diamonds Direct
October 30, 2026
Retailer 4$445 USD
Retailer 1$543 USD
Retailer 2$572 USD
Retailer 3$579 USD
Wholesale Diamonds Direct$665 USD

14 data points across 5 retailers

6 retailers$445 USD to $665 USD

A
Cheapest Retailer
-
$445 USD
SGD 602 SGD
A
Retailer 2
-
$474 USD
SGD 640 SGD
View
B+
Retailer 3
-
$543 USD
£427 GBP
View
B+
Retailer 4
-
$572 USD
£451 GBP
View
B+
Retailer 5
-
$579 USD
View
Most Expensive
B
Wholesale Diamonds Direct
547119611 · Oct 27
$665 USD
View
5 more retailers have this diamond
Prices start from $445 USDSave up to $220 USD

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
$445 USD