Round|Natural|GIA

0.51ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2527091058

Shape and cutting style on the report: Round brilliant

Certificate GIA 2527091058

Diamond specifications and retailer prices

From $470 USD
As of November 5, 2026
Save $1,604 USD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,074 USD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2527091058. Listed at 16 retailers as of November 4, 2026, with prices from $470 to $2,074, a $1,604 spread on the same certified stone. NZ Jewellers lists it at $2,074. 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

0.51
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2527091058
Dimensions5.19 × 5.16 × 3.12 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.19 mm5.16 mm0.51 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527091058
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.3%

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 5
Current: $960 USD|Low: $470 USD|High: $1,543 USD|Avg: $844 USD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$470 USD
Retailer 8$610 USD
Retailer 2$675 USD
Retailer 7$802 USD
Retailer 3$803 USD
Retailer 4$852 USD
Retailer 1$960 USD
Retailer 6$1,525 USD

30 data points across 8 retailers

16 retailers$470 USD to $2,074 USD

A
Cheapest Retailer
-
$470 USD
A
Retailer 2
-
$550 USD
View
A
Retailer 3
-
$610 USD
View
Final sale: no returns
Retailer 4
-
$661 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$661 USD
View
Retailer 6
-
$675 USD
View
A
Retailer 7
-
$687 USD
View
A
Retailer 8
-
$763 USD
View
A
Retailer 9
-
$793 USD
View
B+
Retailer 10
-
$802 USD
View
B+
Retailer 11
-
$803 USD
View
B+
Retailer 12
-
$852 USD
View
B+
Retailer 13
-
$960 USD
View
B+
Retailer 14
-
$1,146 USD
View
B
Retailer 15
-
$1,525 USD
View
Most Expensive
B
NZ Jewellers
33438e9f-19f0-400a-ad8a-405be916de28 · Nov 4
$2,074 USD
View
15 more retailers have this diamond
Prices start from $470 USDSave up to $1,604 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
0.51ct Round
$470 USD