Oval|Natural|IGI

0.51ct H IF Oval Natural Diamond

VG • H/IF • IGI 831668557

Shape and cutting style on the report: Oval brilliant

Certificate IGI 831668557

Diamond specifications and retailer prices

From $442 USD
₹42,068 INR
As of November 1, 2026
Save $1,351 USD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,793 USD at NZ Jewellers · As of October 30, 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 IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI 831668557. Listed at 13 retailers as of October 30, 2026, with prices from $442 to $1,793, a $1,351 spread on the same certified stone. NZ Jewellers lists it at $1,793. 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
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 831668557
Dimensions6.31 × 4.47 × 2.78 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeMedium
Top View
6.31 mm4.47 mm0.51 ctH / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 831668557
Side View
Table 63.0%Crown 38.2°Girdle: MED-THKPavilion 39.9°Culet: MediumDepth 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: Nov 1
Current: $1,793 USD|Low: $441 USD|High: $1,793 USD|Avg: $777 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 1, 2026
Retailer 2$442 USD
Retailer 3$527 USD
Retailer 12$572 USD
Retailer 13$616 USD
Retailer 9$650 USD
Retailer 5$660 USD
Retailer 11$703 USD
Retailer 6$722 USD
Retailer 4$738 USD
Retailer 7$801 USD
Retailer 8$883 USD
Retailer 10$1,322 USD
NZ Jewellers$1,793 USD

31 data points across 13 retailers

13 retailers$442 USD to $1,793 USD

A
Cheapest Retailer
-
$442 USD
₹42,068 INR
A
Retailer 2
-
$527 USD
View
Final sale: no returns
A
Retailer 3
-
$572 USD
View
A
Retailer 4
-
$616 USD
View
A
Retailer 5
-
$650 USD
View
A
Retailer 6
-
$660 USD
View
A
Retailer 7
-
$703 USD
View
B+
Retailer 8
-
$722 USD
£569 GBP
View
B+
Retailer 9
-
$738 USD
View
B+
Retailer 10
-
$801 USD
€763 EUR
View
B+
Retailer 11
-
$883 USD
ZAR 14,258 ZAR
View
Retailer 12
-
$1,322 USD
£1,041 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
3c5da65f-a0d7-433b-a1e7-9934e2891417 · Oct 30
$1,793 USD
View
12 more retailers have this diamond
Prices start from $442 USDSave up to $1,351 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 Oval
$442 USD