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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 $2,527 SGD
As of November 4, 2026
Save $3,323 SGD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,851 SGD 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 $2,527 to $5,851, a $3,323 spread on the same certified stone. NZ Jewellers lists it at $5,851. 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: $5,851 SGD|Low: $2,527 SGD|High: $5,851 SGD|Avg: $3,173 SGD
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$2,527 SGD
Retailer 11$2,684 SGD
Retailer 6$2,766 SGD
Retailer 10$2,798 SGD
Retailer 13$2,798 SGD
Retailer 5$2,820 SGD
Retailer 8$2,927 SGD
Retailer 9$2,940 SGD
Retailer 4$2,976 SGD
Retailer 3$3,228 SGD
Retailer 7$3,439 SGD
Retailer 2$3,480 SGD
NZ Jewellers$5,851 SGD

42 data points across 13 retailers

13 retailers$2,527 SGD to $5,851 SGD

B+
Cheapest Retailer
-
$2,527 SGD
B+
Retailer 2
-
$2,684 SGD
View
B+
Retailer 3
-
$2,766 SGD
View
Retailer 4
-
$2,798 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,798 SGD
View
B+
Retailer 6
-
$2,820 SGD
View
B+
Retailer 7
-
$2,927 SGD
View
B+
Retailer 8
-
$2,940 SGD
View
B+
Retailer 9
-
$2,976 SGD
View
B+
Retailer 10
-
$3,228 SGD
View
B+
Retailer 11
-
$3,439 SGD
View
B+
Retailer 12
-
$3,480 SGD
View
Most Expensive
C
NZ Jewellers
0ea168ee-236b-4412-b8dc-333e2e85b0be · Nov 2
$5,851 SGD
$4,565 USD
View
12 more retailers have this diamond
Prices start from $2,527 SGDSave up to $3,323 SGD

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
$2,527 SGD