Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6521444924

Certificate GIA 6521444924

Diamond specifications and retailer prices

From $532 USD
As of October 31, 2026
Save $1,275 USD (71%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,807 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6521444924. Listed at 17 retailers as of October 30, 2026, with prices from $532 to $1,807, a $1,275 spread on the same certified stone. NZ Jewellers lists it at $1,807. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6521444924
Dimensions5.34 × 5.33 × 3.19 mm
L/W Ratio1.00
Top View
5.34 mm5.33 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6521444924
Side View
Table 62.0%Crown 34.5°Girdle: MED-THNPavilion 41°Culet: NoneDepth 59.7%

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: Oct 31
Current: $745 USD|Low: $532 USD|High: $1,346 USD|Avg: $784 USD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10$532 USD
Retailer 9$586 USD
Retailer 11$590 USD
Retailer 3$620 USD
Retailer 5$703 USD
Retailer 1$745 USD
Retailer 8$770 USD
Retailer 4$851 USD
Retailer 2$866 USD
Retailer 6$889 USD
Retailer 7$1,337 USD

36 data points across 11 retailers

17 retailers$532 USD to $1,807 USD

A
Cheapest Retailer
-
$532 USD
Final sale: no returns
Retailer 2
-
$576 USD
View
Price last confirmed 47 days ago
Retailer 3
-
$586 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$590 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$620 USD
View
A
Retailer 6
-
$620 USD
View
A
Retailer 7
-
$665 USD
View
A
Retailer 8
-
$703 USD
£554 GBP
View
A
Retailer 9
-
$708 USD
View
B+
Retailer 10
-
$712 USD
View
A
Retailer 11
-
$745 USD
£587 GBP
View
B+
Retailer 12
-
$770 USD
View
B+
Retailer 13
-
$851 USD
€810 EUR
View
Retailer 14
-
$866 USD
A$1,333 AUD
View
Price last confirmed 28 days ago
B+
Retailer 15
-
$889 USD
ZAR 14,365 ZAR
View
B
Retailer 16
-
$1,337 USD
£1,053 GBP
View
Most Expensive
B
NZ Jewellers
431c5930-d306-49c4-8845-2a1437e150fb · Oct 30
$1,807 USD
View
16 more retailers have this diamond
Prices start from $532 USDSave up to $1,275 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
$532 USD