Heart|Natural|GIA

0.40ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1565300207

Certificate GIA 1565300207

Diamond specifications and retailer prices

From $397 USD
SGD 537 SGD
As of October 31, 2026
Save $205 USD (34%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $602 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 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 $397 to $602, a $205 spread on the same certified stone. Wholesale Diamonds Direct lists it at $602. 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: $481 USD|Low: $397 USD|High: $602 USD|Avg: $483 USD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
November 1, 2026
Retailer 4$397 USD
Retailer 5$437 USD
Retailer 3$453 USD
Retailer 1$481 USD
Retailer 2$517 USD
Wholesale Diamonds Direct$602 USD

35 data points across 6 retailers

6 retailers$397 USD to $602 USD

A
Cheapest Retailer
-
$397 USD
SGD 537 SGD
B+
Retailer 2
-
$437 USD
SGD 590 SGD
View
B+
Retailer 3
-
$453 USD
View
B+
Retailer 4
-
$481 USD
£379 GBP
View
B
Retailer 5
-
$517 USD
View
Most Expensive
B
Wholesale Diamonds Direct
404324842 · Oct 27
$602 USD
View
5 more retailers have this diamond
Prices start from $397 USDSave up to $205 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
$397 USD