Heart|Natural|GIA

0.40ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 2566480743

Certificate GIA 2566480743

Diamond specifications and retailer prices

From $490 USD
As of October 31, 2026
Save $303 USD (38%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $793 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 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 $490 to $793, a $303 spread on the same certified stone. Wholesale Diamonds Direct lists it at $793. 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
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $648 USD|Low: $490 USD|High: $793 USD|Avg: $621 USD|+5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
October 31, 2026
Retailer 5$490 USD
Retailer 7$531 USD
Retailer 3$546 USD
Retailer 6$579 USD
Retailer 1$648 USD
Retailer 2$682 USD
Retailer 4$690 USD
Wholesale Diamonds Direct$793 USD

30 data points across 8 retailers

8 retailers$490 USD to $793 USD

A
Cheapest Retailer
-
$490 USD
A
Retailer 2
-
$531 USD
SGD 717 SGD
View
A
Retailer 3
-
$546 USD
SGD 738 SGD
View
B+
Retailer 4
-
$579 USD
View
B+
Retailer 5
-
$648 USD
£510 GBP
View
B
Retailer 6
-
$682 USD
£537 GBP
View
B
Retailer 7
-
$690 USD
View
Most Expensive
B
Wholesale Diamonds Direct
436499130 · Oct 27
$793 USD
View
7 more retailers have this diamond
Prices start from $490 USDSave up to $303 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
$490 USD