Round|Natural|GIA

0.55ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2556242216

Certificate GIA 2556242216

Diamond specifications and retailer prices

From $474 USD
HK$3,700 HKD
As of November 1, 2026
Save $805 USD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,736 USD at NZ Jewellers · As of October 27, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556242216. Listed at 15 retailers as of November 1, 2026, with a 170% 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556242216
Dimensions5.24 × 5.27 × 3.26 mm
L/W Ratio1.01
Top View
5.24 mm5.27 mm0.55 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556242216
Side View
Table 55.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

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 1
Current: $1,736 USD|Low: $474 USD|High: $1,769 USD|Avg: $739 USD|-1.9%
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
November 3, 2026
Retailer 13$474 USD
Retailer 7$510 USD
Retailer 14$548 USD
Retailer 3$549 USD
Retailer 6$582 USD
Retailer 10$585 USD
Retailer 5$596 USD
Retailer 11$639 USD
Retailer 4$673 USD
Retailer 2$681 USD
Retailer 8$751 USD
Retailer 12$771 USD
Retailer 15$777 USD
Retailer 9$1,279 USD
NZ Jewellers$1,736 USD

34 data points across 15 retailers

15 retailers$474 USD to $1,279 USD

A
Cheapest Retailer
-
$474 USD
HK$3,700 HKD
A
Retailer 2
-
$510 USD
View
Final sale: no returns
Retailer 3
-
$548 USD
€522 EUR
View
Price last confirmed 8 days ago
A
Retailer 4
-
$549 USD
A$845 AUD
View
A
Retailer 5
-
$582 USD
SGD 786 SGD
View
A
Retailer 6
-
$585 USD
SGD 790 SGD
View
Retailer 7
-
$596 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$639 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$673 USD
£530 GBP
View
A
Retailer 10
-
$681 USD
£536 GBP
View
B+
Retailer 11
-
$751 USD
€715 EUR
View
Retailer 12
-
$771 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$777 USD
View
B
Retailer 14
-
$1,279 USD
£1,007 GBP
View
Most Expensive
NZ Jewellers
99f2a013-994e-4241-a886-6dd9d7c10b25 · Oct 27
$1,736 USD
View
Price last confirmed 7 days ago
14 more retailers have this diamond
Prices start from $474 USDSave up to $805 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
$474 USD