Round|Natural|GIA

0.55ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 7431674884

Certificate GIA 7431674884

Diamond specifications and retailer prices

From $445 USD
As of November 5, 2026
Save $443 USD (50%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $888 USD at MOH London · As of November 4, 2026
View at MOH London

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7431674884. Listed at 7 retailers as of November 4, 2026, with prices from $445 to $888, a $443 spread on the same certified stone. MOH London lists it at $888. 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
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7431674884
Dimensions5.24 × 5.20 × 3.31 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Key to symbols
Crystal, Cloud
Top View
5.24 mm5.20 mm0.55 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7431674884
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.3%

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: $888 USD|Low: $376 USD|High: $919 USD|Avg: $587 USD|-2.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$376 USD
Retailer 7$445 USD
Retailer 6$469 USD
Retailer 2$494 USD
Retailer 5$535 USD
Retailer 3$696 USD
MOH London$888 USD

42 data points across 7 retailers

7 retailers$445 USD to $888 USD

Retailer 1
-
$376 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$445 USD
View
A
Retailer 3
-
$469 USD
View
A
Retailer 4
-
$494 USD
View
B+
Retailer 5
-
$535 USD
View
B+
Retailer 6
-
$696 USD
View
Most Expensive
B
MOH London
DE7798CEC · Nov 4
$888 USD
£699 GBP
View
6 more retailers have this diamond
Prices start from $445 USDSave up to $443 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
$445 USD