Round|Natural|GIA

0.55ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2458142417

Certificate GIA 2458142417

Diamond specifications and retailer prices

From $950 USD
As of October 26, 2026
Save $1,688 USD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,638 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2458142417. Listed at 13 retailers as of October 26, 2026, with prices from $950 to $2,638, a $1,688 spread on the same certified stone. NZ Jewellers lists it at $2,638. 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
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2458142417
Dimensions5.28 × 5.25 × 3.23 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.28 mm5.25 mm0.55 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2458142417
Side View
Table 59.0%Crown 33.5°Girdle: ThickPavilion 41.2°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $2,638 USD|Low: $950 USD|High: $2,638 USD|Avg: $1,612 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 6$950 USD
Retailer 7$1,018 USD
Retailer 2$1,269 USD
Retailer 4$1,289 USD
Retailer 3$1,517 USD
Retailer 5$1,991 USD
NZ Jewellers$2,638 USD

43 data points across 7 retailers

13 retailers$950 USD to $2,638 USD

B+
Cheapest Retailer
-
$950 USD
B+
Retailer 2
-
$958 USD
View
Retailer 3
-
$962 USD
View
Price last confirmed 20 days ago
Retailer 4
-
$980 USD
View
Price last confirmed 24 days ago
B+
Retailer 5
-
$980 USD
View
B+
Retailer 6
-
$1,018 USD
View
B+
Retailer 7
-
$1,078 USD
View
B+
Retailer 8
-
$1,131 USD
View
B
Retailer 9
-
$1,269 USD
£1,000 GBP
View
B+
Retailer 10
-
$1,289 USD
£1,015 GBP
View
B
Retailer 11
-
$1,517 USD
€1,445 EUR
View
B
Retailer 12
-
$1,991 USD
£1,568 GBP
View
Most Expensive
B
NZ Jewellers
12d547df-4f11-4205-b833-3a1a96649566 · Oct 30
$2,638 USD
View
12 more retailers have this diamond
Prices start from $950 USDSave up to $1,688 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.

B+
0.55ct Round
$950 USD