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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 $1,972 USD
As of November 4, 2026
Save $2,593 USD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,565 USD 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 $1,972 to $4,565, a $2,593 spread on the same certified stone. NZ Jewellers lists it at $4,565. 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
Color
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: $4,565 USD|Low: $1,972 USD|High: $4,565 USD|Avg: $2,476 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 3, 2026
Retailer 12$1,972 USD
Retailer 11$2,094 USD
Retailer 6$2,158 USD
Retailer 10$2,183 USD
Retailer 13$2,183 USD
Retailer 5$2,200 USD
Retailer 8$2,284 USD
Retailer 9$2,294 USD
Retailer 4$2,322 USD
Retailer 3$2,519 USD
Retailer 7$2,683 USD
Retailer 2$2,715 USD
NZ Jewellers$4,565 USD

42 data points across 13 retailers

13 retailers$1,972 USD to $4,565 USD

B+
Cheapest Retailer
-
$1,972 USD
B+
Retailer 2
-
$2,094 USD
View
B+
Retailer 3
-
$2,158 USD
View
Retailer 4
-
$2,183 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,183 USD
View
B+
Retailer 6
-
$2,200 USD
View
B+
Retailer 7
-
$2,284 USD
View
B+
Retailer 8
-
$2,294 USD
View
B+
Retailer 9
-
$2,322 USD
View
B+
Retailer 10
-
$2,519 USD
View
B+
Retailer 11
-
$2,683 USD
View
B+
Retailer 12
-
$2,715 USD
View
Most Expensive
C
NZ Jewellers
0ea168ee-236b-4412-b8dc-333e2e85b0be · Nov 2
$4,565 USD
View
12 more retailers have this diamond
Prices start from $1,972 USDSave up to $2,593 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+
1.51ct Oval
$1,972 USD