Round|Natural|GIA

0.55ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6551650985

Certificate GIA 6551650985

Diamond specifications and retailer prices

From $710 USD
As of November 5, 2026
Save $746 USD (51%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,494 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551650985. Listed at 13 retailers as of November 2, 2026, with a 105% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551650985
Dimensions5.30 × 5.33 × 3.21 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.30 mm5.33 mm0.55 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551650985
Side View
Table 60.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,494 USD|Low: $409 USD|High: $2,494 USD|Avg: $939 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 6$409 USD
Retailer 3$710 USD
Retailer 15$733 USD
Retailer 10$775 USD
Retailer 14$795 USD
Retailer 16$807 USD
Retailer 13$826 USD
Retailer 5$827 USD
Retailer 8$827 USD
Retailer 7$872 USD
Retailer 12$918 USD
Retailer 4$933 USD
Retailer 2$1,023 USD
Retailer 9$1,118 USD
Retailer 11$1,456 USD
NZ Jewellers$2,494 USD

32 data points across 16 retailers

13 retailers$710 USD to $1,456 USD

A
Cheapest Retailer
-
$710 USD
B+
Retailer 2
-
$733 USD
View
Final sale: no returns
B+
Retailer 3
-
$775 USD
View
Retailer 4
-
$795 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$807 USD
View
B+
Retailer 6
-
$826 USD
View
B+
Retailer 7
-
$827 USD
View
Retailer 8
-
$918 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$933 USD
View
B+
Retailer 10
-
$1,023 USD
View
B+
Retailer 11
-
$1,118 USD
View
B
Retailer 12
-
$1,456 USD
View
Most Expensive
NZ Jewellers
ab7d6fbf-023f-4db8-9950-126d0af854fd · Oct 30
$2,494 USD
View
Price under review
12 more retailers have this diamond
Prices start from $710 USDSave up to $746 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
0.55ct Round
$710 USD