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Round|Natural|GIA

0.51ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 3445208614

Certificate GIA 3445208614

Diamond specifications and retailer prices

From $586 USD
₹55,850 INR
As of October 31, 2026
Save $1,971 USD (77%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,557 USD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3445208614. Listed at 25 retailers as of October 30, 2026, with prices from $586 to $2,557, a $1,971 spread on the same certified stone. NZ Jewellers lists it at $2,557. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3445208614
Dimensions5.11 × 5.08 × 3.17 mm
L/W Ratio1.01
Top View
5.11 mm5.08 mm0.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3445208614
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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: Oct 31
Current: $2,352 USD|Low: $585 USD|High: $2,352 USD|Avg: $1,000 USD
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 1, 2026
Retailer 12$586 USD
Retailer 13$602 USD
Retailer 11$733 USD
Retailer 6$750 USD
Retailer 3$779 USD
Retailer 4$805 USD
Retailer 5$865 USD
Retailer 10$882 USD
Retailer 9$976 USD
Retailer 7$985 USD
Retailer 15$1,022 USD
Retailer 2$1,055 USD
Retailer 14$1,259 USD
Retailer 8$1,494 USD
NZ Jewellers$2,352 USD

22 data points across 15 retailers

25 retailers$586 USD to $2,557 USD

A
Cheapest Retailer
-
$586 USD
₹55,850 INR
A
Retailer 2
-
$602 USD
HK$4,700 HKD
View
A
Retailer 3
-
$728 USD
View
A
Retailer 4
-
$733 USD
View
A
Retailer 5
-
$750 USD
View
A
Retailer 6
-
$752 USD
View
Final sale: no returns
A
Retailer 7
-
$779 USD
View
A
Retailer 8
-
$805 USD
View
A
Retailer 9
-
$815 USD
View
B+
Retailer 10
-
$831 USD
SGD 1,123 SGD
View
A
Retailer 11
-
$865 USD
View
A
Retailer 12
-
$882 USD
View
B+
Retailer 13
-
$941 USD
View
B+
Retailer 14
-
$948 USD
View
B+
Retailer 15
-
$976 USD
£769 GBP
View
B+
Retailer 16
-
$985 USD
View
B+
Retailer 17
-
$1,022 USD
€973 EUR
View
B+
Retailer 18
-
$1,055 USD
£831 GBP
View
Retailer 19
-
$1,226 USD
A$1,886 AUD
View
Price last confirmed 28 days ago
B+
Retailer 20
-
$1,259 USD
ZAR 20,333 ZAR
View
B
Retailer 21
-
$1,351 USD
View
B
Retailer 22
-
$1,494 USD
£1,176 GBP
View
B
Retailer 23
-
$1,732 USD
£1,364 GBP
View
B
Retailer 24
-
$2,352 USD
View
Most Expensive
B
NZ Jewellers
a4d76a40-ae3d-4304-8117-21b1a1fc8f31 · Oct 30
$2,557 USD
View
24 more retailers have this diamond
Prices start from $586 USDSave up to $1,971 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
$586 USD