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Oval|Natural|GIA

0.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 5516455267

Certificate GIA 5516455267

Diamond specifications and retailer prices

From $560 USD
Save $1,944 USD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,504 USD at NZ Jewellers
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5516455267. Listed at 18 retailers, with prices from $560 to $2,504 at NZ Jewellers, a $1,944 spread on the same certified stone. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5516455267
Dimensions6.77 × 4.41 × 2.68 mm
L/W Ratio1.54
Top View
6.77 mm4.41 mm0.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5516455267
Side View
Table 60.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $2,504 USD|Low: $560 USD|High: $2,504 USD|Avg: $915 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
Retailer 16
Retailer 17
October 1, 2026
Retailer 10$560 USD
Retailer 11$602 USD
Retailer 16$712 USD
Retailer 6$798 USD
Retailer 12$798 USD
Retailer 17$810 USD
Retailer 5$829 USD
Retailer 9$877 USD
Retailer 7$919 USD
Retailer 3$931 USD
Retailer 14$965 USD
Retailer 4$992 USD
Retailer 13$1,109 USD
Retailer 15$1,195 USD
Retailer 8$1,480 USD
Retailer 2$1,924 USD
NZ Jewellers$2,504 USD

43 data points across 17 retailers

18 retailers$560 USD to $2,504 USD

A
Cheapest Retailer
-
$560 USD
A
Retailer 2
-
$602 USD
₹57,342 INR
View
A
Retailer 3
-
$712 USD
View
B+
Retailer 4
-
$798 USD
View
B+
Retailer 5
-
$798 USD
View
B+
Retailer 6
-
$810 USD
View
B+
Retailer 7
-
$829 USD
View
B+
Retailer 8
-
$877 USD
View
B+
Retailer 9
-
$921 USD
£725 GBP
View
B+
Retailer 10
-
$931 USD
View
B+
Retailer 11
-
$965 USD
View
B+
Retailer 12
-
$992 USD
£781 GBP
View
B+
Retailer 13
-
$1,076 USD
View
B+
Retailer 14
-
$1,109 USD
€1,056 EUR
View
B+
Retailer 15
-
$1,195 USD
A$1,839 AUD
View
B
Retailer 16
-
$1,480 USD
£1,165 GBP
View
B
Retailer 17
-
$1,924 USD
£1,515 GBP
View
Most Expensive
B
NZ Jewellers
806b45fa-fdfa-4fed-8ef1-fa50bf360653 · Sep 29
$2,504 USD
View
17 more retailers have this diamond
Prices start from $560 USDSave up to $1,944 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.

A
0.51ct Oval
$560 USD