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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 HK$15,455 HKD
As of November 4, 2026
Save HK$20,322 HKD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$35,778 HKD 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 HK$15,455 to HK$35,778, a HK$20,322 spread on the same certified stone. NZ Jewellers lists it at HK$35,778. 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: HK$35,778 HKD|Low: HK$15,455 HKD|High: HK$35,778 HKD|Avg: HK$19,403 HKD
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 12HK$15,455 HKD
Retailer 11HK$16,412 HKD
Retailer 6HK$16,913 HKD
Retailer 10HK$17,109 HKD
Retailer 13HK$17,109 HKD
Retailer 5HK$17,242 HKD
Retailer 8HK$17,901 HKD
Retailer 9HK$17,979 HKD
Retailer 4HK$18,198 HKD
Retailer 3HK$19,742 HKD
Retailer 7HK$21,028 HKD
Retailer 2HK$21,279 HKD
NZ JewellersHK$35,778 HKD

42 data points across 13 retailers

13 retailersHK$15,455 HKD to HK$35,778 HKD

B+
Cheapest Retailer
-
HK$15,455 HKD
B+
Retailer 2
-
HK$16,412 HKD
View
B+
Retailer 3
-
HK$16,913 HKD
View
Retailer 4
-
HK$17,109 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$17,109 HKD
View
B+
Retailer 6
-
HK$17,242 HKD
View
B+
Retailer 7
-
HK$17,901 HKD
View
B+
Retailer 8
-
HK$17,979 HKD
View
B+
Retailer 9
-
HK$18,198 HKD
View
B+
Retailer 10
-
HK$19,742 HKD
View
B+
Retailer 11
-
HK$21,028 HKD
View
B+
Retailer 12
-
HK$21,279 HKD
View
Most Expensive
C
NZ Jewellers
0ea168ee-236b-4412-b8dc-333e2e85b0be · Nov 2
HK$35,778 HKD
$4,565 USD
View
12 more retailers have this diamond
Prices start from HK$15,455 HKDSave up to HK$20,322 HKD

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
HK$15,455 HKD