Oval|Natural|IGI

1.51ct L SI1 Oval Natural Diamond

VG • L/SI1 • IGI 689598699

Shape and cutting style on the report: Oval brilliant

Certificate IGI 689598699

Diamond specifications and retailer prices

From $3,557 NZD
As of November 4, 2026
Save $4,678 NZD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,235 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 689598699. Listed at 13 retailers as of November 2, 2026, with prices from $3,557 to $8,235, a $4,678 spread on the same certified stone. NZ Jewellers lists it at $8,235. 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
L
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43.7°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 689598699
Dimensions8.43 × 6.34 × 4.19 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeNone
Top View
8.43 mm6.34 mm1.51 ctL / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 689598699
Side View
Table 59.0%Crown 43.7°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 66.1%

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 4
Current: $8,235 NZD|Low: $3,557 NZD|High: $8,235 NZD|Avg: $4,466 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
Retailer 13
November 3, 2026
Retailer 12$3,557 NZD
Retailer 11$3,777 NZD
Retailer 6$3,893 NZD
Retailer 10$3,938 NZD
Retailer 13$3,938 NZD
Retailer 5$3,969 NZD
Retailer 8$4,120 NZD
Retailer 9$4,138 NZD
Retailer 4$4,189 NZD
Retailer 3$4,544 NZD
Retailer 7$4,840 NZD
Retailer 2$4,898 NZD
NZ Jewellers$8,235 NZD

42 data points across 13 retailers

13 retailers$3,557 NZD to $8,235 NZD

B+
Cheapest Retailer
-
$3,557 NZD
B+
Retailer 2
-
$3,777 NZD
View
B+
Retailer 3
-
$3,893 NZD
View
Retailer 4
-
$3,938 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$3,938 NZD
View
B+
Retailer 6
-
$3,969 NZD
View
B+
Retailer 7
-
$4,120 NZD
View
B+
Retailer 8
-
$4,138 NZD
View
B+
Retailer 9
-
$4,189 NZD
View
B+
Retailer 10
-
$4,544 NZD
View
B+
Retailer 11
-
$4,840 NZD
View
B+
Retailer 12
-
$4,898 NZD
View
Most Expensive
C
NZ Jewellers
0ea168ee-236b-4412-b8dc-333e2e85b0be · Nov 2
$8,235 NZD
$4,565 USD
View
12 more retailers have this diamond
Prices start from $3,557 NZDSave up to $4,678 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+
1.51ct Oval
$3,557 NZD