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Heart|Natural|GIA

0.40ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 2537060451

Certificate GIA 2537060451

Diamond specifications and retailer prices

From $528 AUD
SGD 501 SGD
As of November 1, 2026
Save $261 AUD (33%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $789 AUD 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 2537060451. Listed at 6 retailers as of October 27, 2026, with prices from $528 to $789, a $261 spread on the same certified stone. Wholesale Diamonds Direct lists it at $789. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle38.36°
Pavilion angle39.89°
OriginNatural
Grading LabGIA
CertificateGIA 2537060451
Dimensions4.50 × 5.14 × 3.02 mm
L/W Ratio1.14
Culet sizeNone
Top View
4.50 mm5.14 mm0.40 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537060451
Side View
Table 58.0%Crown 38.36°Girdle: MED-VTKPavilion 39.89°Culet: NoneDepth 58.8%

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: Nov 1
Current: $699 AUD|Low: $528 AUD|High: $857 AUD|Avg: $672 AUD|+7.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
November 1, 2026
Retailer 5$528 AUD
Retailer 4$585 AUD
Retailer 3$608 AUD
Retailer 2$686 AUD
Retailer 1$699 AUD
Wholesale Diamonds Direct$789 AUD

39 data points across 6 retailers

6 retailers$528 AUD to $789 AUD

A
Cheapest Retailer
-
$528 AUD
SGD 501 SGD
A
Retailer 2
-
$585 AUD
SGD 555 SGD
View
B+
Retailer 3
-
$608 AUD
$427 USD
View
B+
Retailer 4
-
$686 AUD
$482 USD
View
B
Retailer 5
-
$699 AUD
£387 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
393800484 · Oct 27
$789 AUD
$554 USD
View
5 more retailers have this diamond
Prices start from $528 AUDSave up to $261 AUD

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
$528 AUD