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Oval|Natural|IGI

0.51ct H SI2 Oval Natural Diamond

VG • H/SI2 • IGI 769663874

Shape and cutting style on the report: Oval brilliant

Certificate IGI 769663874

Diamond specifications and retailer prices

From $445 USD
As of November 6, 2026
Save $1,404 USD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,849 USD at NZ Jewellers · As of November 5, 2026
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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 769663874. Listed at 11 retailers as of November 5, 2026, with prices from $445 to $1,849, a $1,404 spread on the same certified stone. NZ Jewellers lists it at $1,849. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
H
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.3°
Pavilion angle42.5°
OriginNatural
Grading LabIGI
CertificateIGI 769663874
Dimensions6.25 × 4.29 × 2.86 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Top View
6.25 mm4.29 mm0.51 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 769663874
Side View
Table 60.0%Crown 31.3°Girdle: STK-VTKPavilion 42.5°Culet: NoneDepth 66.7%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $1,849 USD|Low: $408 USD|High: $1,849 USD|Avg: $729 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
November 6, 2026
Retailer 12$445 USD
Retailer 6$482 USD
Retailer 7$519 USD
Retailer 11$519 USD
Retailer 10$557 USD
Retailer 2$573 USD
Retailer 4$613 USD
Retailer 13$631 USD
Retailer 3$641 USD
Retailer 5$724 USD
Retailer 9$725 USD
Retailer 8$1,112 USD
NZ Jewellers$1,849 USD

39 data points across 13 retailers

11 retailers$445 USD to $1,849 USD

B+
Cheapest Retailer
-
$445 USD
Final sale: no returns
B+
Retailer 2
-
$482 USD
View
B+
Retailer 3
-
$519 USD
View
Retailer 4
-
$519 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$557 USD
View
B+
Retailer 6
-
$573 USD
View
B+
Retailer 7
-
$613 USD
View
B+
Retailer 8
-
$631 USD
View
B
Retailer 9
-
$725 USD
View
B
Retailer 10
-
$1,112 USD
View
Most Expensive
C
NZ Jewellers
418aec67-418f-42c0-b1c5-9fb5fa9d784b · Nov 5
$1,849 USD
View
10 more retailers have this diamond
Prices start from $445 USDSave up to $1,404 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+
0.51ct Oval
$445 USD