Heart|Natural|GIA

0.50ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 5546068848

Certificate GIA 5546068848

Diamond specifications and retailer prices

From $621 NZD
As of November 6, 2026
Save $211 NZD (25%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $832 NZD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 0.5ct natural heart diamond

This 0.5ct natural heart sits in the half to three-quarter 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 5546068848. Listed at 4 retailers as of November 5, 2026, with prices from $621 to $832, a $211 spread on the same certified stone. Blue Nile lists it at $832. 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

0.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5546068848
Dimensions4.83 × 5.58 × 3.31 mm
L/W Ratio1.16
Top View
4.83 mm5.58 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5546068848
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.3%

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 6
Current: $832 NZD|Low: $570 NZD|High: $954 NZD|Avg: $752 NZD|-12.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$621 NZD
Retailer 3$660 NZD
Retailer 2$824 NZD
Blue Nile$832 NZD

42 data points across 4 retailers

4 retailers$621 NZD to $832 NZD

A
Cheapest Retailer
-
$621 NZD
Final sale: no returns
A
Retailer 2
-
$660 NZD
View
B+
Retailer 3
-
$824 NZD
View
Most Expensive
B+
Blue Nile
27301179 · Nov 5
$832 NZD
$461 USD
View
3 more retailers have this diamond
Prices start from $621 NZDSave up to $211 NZD

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
0.50ct Heart
$621 NZD