Heart|Natural|GIA

0.40ct D SI1 Heart Natural Diamond

VG • D/SI1 • GIA 1555893401

Certificate GIA 1555893401

Diamond specifications and retailer prices

From $458 USD
As of October 29, 2026
Save $600 USD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,754 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 1555893401. Listed at 17 retailers as of October 26, 2026, with a 131% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.40
Carat
D
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1555893401
Dimensions4.87 × 4.79 × 2.86 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Cavity
Top View
4.87 mm4.79 mm0.40 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1555893401
Side View
Table 55.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.7%

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 29
Current: $665 USD|Low: $493 USD|High: $1,069 USD|Avg: $690 USD|+26.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 9$493 USD
Retailer 5$568 USD
Retailer 2$570 USD
Retailer 6$627 USD
Retailer 1$665 USD
Retailer 3$710 USD
Retailer 8$733 USD
Retailer 4$929 USD
Retailer 7$1,058 USD

38 data points across 9 retailers

17 retailers$458 USD to $1,058 USD

A
Cheapest Retailer
-
$458 USD
A
Retailer 2
-
$480 USD
SGD 648 SGD
View
A
Retailer 3
-
$493 USD
View
A
Retailer 4
-
$493 USD
View
B+
Retailer 5
-
$528 USD
View
B+
Retailer 6
-
$568 USD
€541 EUR
View
B+
Retailer 7
-
$570 USD
£449 GBP
View
B+
Retailer 8
-
$589 USD
View
B+
Retailer 9
-
$627 USD
£494 GBP
View
B+
Retailer 10
-
$649 USD
View
B
Retailer 11
-
$665 USD
View
B
Retailer 12
-
$704 USD
View
B+
Retailer 13
-
$710 USD
ZAR 11,465 ZAR
View
Retailer 14
-
$733 USD
A$1,128 AUD
View
Price last confirmed 27 days ago
B
Retailer 15
-
$929 USD
£732 GBP
View
B
Retailer 16
-
$1,058 USD
£833 GBP
View
Most Expensive
NZ Jewellers
244e3689-c213-4b50-81b9-8875e6fa9c9c · Oct 30
$1,754 USD
View
Price under review
16 more retailers have this diamond
Prices start from $458 USDSave up to $600 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
$458 USD