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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 $543 SGD
As of November 6, 2026
Save $168 SGD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $711 SGD 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 $543 to $711, a $168 spread on the same certified stone. Blue Nile lists it at $711. 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: $711 SGD|Low: $508 SGD|High: $833 SGD|Avg: $656 SGD|-14.6%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 3$543 SGD
Retailer 4$591 SGD
Retailer 2$670 SGD
Blue Nile$711 SGD

42 data points across 4 retailers

4 retailers$543 SGD to $711 SGD

A
Cheapest Retailer
-
$543 SGD
Final sale: no returns
A
Retailer 2
-
$591 SGD
View
A
Retailer 3
-
$670 SGD
View
Most Expensive
B+
Blue Nile
27035879 · Nov 5
$711 SGD
$555 USD
View
3 more retailers have this diamond
Prices start from $543 SGDSave up to $168 SGD

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
$543 SGD