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0.55ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 3455627117

Certificate GIA 3455627117

Diamond specifications and retailer prices

From $293 USD
As of November 5, 2026
Save $408 USD (58%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $701 USD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

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 3455627117. Listed at 4 retailers as of November 5, 2026, with prices from $293 to $701, a $408 spread on the same certified stone. 77 Diamonds lists it at $701. 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°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3455627117
Dimensions5.22 × 5.25 × 3.26 mm
L/W Ratio1.01
Top View
5.22 mm5.25 mm0.55 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3455627117
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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: $701 USD|Low: $293 USD|High: $712 USD|Avg: $553 USD|-0.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 2$293 USD
Retailer 4$560 USD
Retailer 3$649 USD
77 Diamonds$701 USD

44 data points across 4 retailers

4 retailers$293 USD to $701 USD

A
Cheapest Retailer
-
$293 USD
B+
Retailer 2
-
$560 USD
View
B+
Retailer 3
-
$649 USD
View
Most Expensive
B+
77 Diamonds
RBCP8RUPKXZJ · Nov 5
$701 USD
£552 GBP
View
3 more retailers have this diamond
Prices start from $293 USDSave up to $408 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
$293 USD