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Heart|Natural|GIA

0.55ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 2537789149

Certificate GIA 2537789149

Diamond specifications and retailer prices

From $765 NZD
As of November 6, 2026
Save $236 NZD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,001 NZD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 0.55ct natural heart diamond

This 0.55ct natural heart sits in the half to three-quarter carat band, graded G 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 2537789149. Listed at 4 retailers as of November 5, 2026, with prices from $765 to $1,001, a $236 spread on the same certified stone. Blue Nile lists it at $1,001. 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

0.55
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2537789149
Dimensions5.09 × 5.76 × 3.41 mm
L/W Ratio1.13
Top View
5.09 mm5.76 mm0.55 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2537789149
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,001 NZD|Low: $714 NZD|High: $1,173 NZD|Avg: $924 NZD|-14.6%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 3$765 NZD
Retailer 4$832 NZD
Retailer 2$943 NZD
Blue Nile$1,001 NZD

42 data points across 4 retailers

4 retailers$765 NZD to $1,001 NZD

A
Cheapest Retailer
-
$765 NZD
Final sale: no returns
A
Retailer 2
-
$832 NZD
View
A
Retailer 3
-
$943 NZD
View
Most Expensive
B+
Blue Nile
27035879 · Nov 5
$1,001 NZD
$555 USD
View
3 more retailers have this diamond
Prices start from $765 NZDSave up to $236 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
0.55ct Heart
$765 NZD