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Oval|Natural|IGI

0.51ct E I1 Oval Natural Diamond

VG • E/I1 • IGI 743535099

Shape and cutting style on the report: Oval brilliant

Certificate IGI 743535099

Diamond specifications and retailer prices

From $818 NZD
$461 USD
As of October 29, 2026
Save $2,315 NZD (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,133 NZD 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 E colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 743535099. Listed at 10 retailers as of October 29, 2026, with prices from $818 to $3,133, a $2,315 spread on the same certified stone. NZ Jewellers lists it at $3,133. 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
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.9°
Pavilion angle42.1°
OriginNatural
Grading LabIGI
CertificateIGI 743535099
Dimensions5.91 × 4.55 × 2.85 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Top View
5.91 mm4.55 mm0.51 ctE / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 743535099
Side View
Table 71.0%Crown 37.9°Girdle: THK-VTKPavilion 42.1°Culet: NoneDepth 62.6%

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: Oct 29
Current: $3,133 NZD|Low: $818 NZD|High: $3,133 NZD|Avg: $1,282 NZD|+2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 6$818 NZD
Retailer 8$880 NZD
Retailer 3$880 NZD
Retailer 4$880 NZD
Retailer 7$944 NZD
Retailer 9$1,090 NZD
Retailer 5$1,147 NZD
Retailer 2$1,237 NZD
NZ Jewellers$3,133 NZD

21 data points across 9 retailers

10 retailers$818 NZD to $3,133 NZD

Retailer 1
-
$798 NZD
$450 USD
Price last confirmed 47 days ago
B+
Retailer 2
-
$818 NZD
$461 USD
View
B+
Retailer 3
-
$880 NZD
$496 USD
View
Retailer 4
-
$880 NZD
$496 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$921 NZD
$519 USD
View
Price last confirmed 46 days ago
B+
Retailer 6
-
$944 NZD
$532 USD
View
B+
Retailer 7
-
$1,147 NZD
$647 USD
View
B+
Retailer 8
-
$1,237 NZD
€664 EUR
View
Retailer 9
-
$3,061 NZD
$1,725 USD
View
Price last confirmed 46 days ago
Most Expensive
C
NZ Jewellers
a1f22445-b805-48af-9697-d5deb4ce07f4 · Oct 30
$3,133 NZD
$1,766 USD
View
9 more retailers have this diamond
Prices start from $818 NZDSave up to $2,315 NZD

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
$818 NZD