Oval|Natural|IGI

1.51ct G I1 Oval Natural Diamond

VG • G/I1 • IGI 633443021

Shape and cutting style on the report: Oval brilliant

Certificate IGI 633443021

Diamond specifications and retailer prices

From $3,608 NZD
$2,030 USD
As of November 1, 2026
Save $5,856 NZD (62%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $9,464 NZD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 633443021. Listed at 9 retailers as of November 1, 2026, with prices from $3,608 to $9,464, a $5,856 spread on the same certified stone. NZ Jewellers lists it at $9,464. 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

1.51
Carat
G
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.8°
Pavilion angle39.4°
OriginNatural
Grading LabIGI
CertificateIGI 633443021
Dimensions8.50 × 6.36 × 4.18 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Top View
8.50 mm6.36 mm1.51 ctG / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 633443021
Side View
Table 58.0%Crown 36.8°Girdle: THK-VTKPavilion 39.4°Culet: NoneDepth 65.7%

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: $9,464 NZD|Low: $2,748 NZD|High: $9,464 NZD|Avg: $4,457 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 4$2,748 NZD
Retailer 3$3,220 NZD
Retailer 7$3,608 NZD
Retailer 10$3,706 NZD
Retailer 9$3,786 NZD
Retailer 5$4,100 NZD
Retailer 11$4,100 NZD
Retailer 6$4,290 NZD
Retailer 8$4,731 NZD
Retailer 12$5,386 NZD
Retailer 2$5,653 NZD
NZ Jewellers$9,464 NZD

23 data points across 12 retailers

9 retailers$3,608 NZD to $9,464 NZD

A
Cheapest Retailer
-
$3,608 NZD
$2,030 USD
A
Retailer 2
-
$3,706 NZD
$2,085 USD
View
B+
Retailer 3
-
$3,786 NZD
$2,130 USD
View
Final sale: no returns
B+
Retailer 4
-
$4,100 NZD
$2,307 USD
View
B+
Retailer 5
-
$4,100 NZD
$2,307 USD
View
B+
Retailer 6
-
$4,290 NZD
$2,414 USD
View
B+
Retailer 7
-
$4,731 NZD
$2,662 USD
View
B+
Retailer 8
-
$5,653 NZD
€3,029 EUR
View
Most Expensive
B+
NZ Jewellers
e67fd79e-422a-447c-837f-ecca411ad1ec · Nov 2
$9,464 NZD
$5,325 USD
View
8 more retailers have this diamond
Prices start from $3,608 NZDSave up to $5,856 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.

A
1.51ct Oval
$3,608 NZD