Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

ID • F/SI2 • GIA 1537184523

Certificate GIA 1537184523

Diamond specifications and retailer prices

From HK$51,047 HKD
$6,506 USD
As of November 1, 2026
Save HK$57,025 HKD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$108,072 HKD at NZ Jewellers · As of October 30, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1537184523. Listed at 14 retailers as of October 30, 2026, with prices from HK$51,047 to HK$108,072, a HK$57,025 spread on the same certified stone. NZ Jewellers lists it at HK$108,072. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle41.63°
Pavilion angle37.07°
OriginNatural
Grading LabGIA
CertificateGIA 1537184523
Dimensions9.04 × 6.14 × 3.89 mm
L/W Ratio1.47
Girdle conditionExtremely Thick
Key to symbols
Crystal, Twinning Wisp, Feather, Indented Natural
Top View
9.04 mm6.14 mm1.51 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1537184523
Side View
Table 57.0%Crown 41.63°Girdle: ThickPavilion 37.07°Culet: NoneDepth 63.3%

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: HK$108,072 HKD|Low: HK$51,047 HKD|High: HK$113,188 HKD|Avg: HK$70,386 HKD|-4.5%
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
Retailer 14
November 2, 2026
Retailer 4HK$51,047 HKD
Retailer 14HK$53,741 HKD
Retailer 6HK$54,036 HKD
Retailer 10HK$54,483 HKD
Retailer 3HK$58,540 HKD
Retailer 5HK$59,442 HKD
Retailer 7HK$60,974 HKD
Retailer 13HK$61,843 HKD
Retailer 2HK$65,446 HKD
Retailer 12HK$67,547 HKD
Retailer 11HK$69,807 HKD
Retailer 9HK$71,172 HKD
Retailer 8HK$90,050 HKD
NZ JewellersHK$108,072 HKD

42 data points across 14 retailers

14 retailersHK$51,047 HKD to HK$108,072 HKD

A
Cheapest Retailer
-
HK$51,047 HKD
$6,506 USD
B+
Retailer 2
-
HK$53,741 HKD
CA$9,513 CAD
View
B+
Retailer 3
-
HK$54,036 HKD
$6,887 USD
View
B+
Retailer 4
-
HK$54,483 HKD
$6,944 USD
View
B+
Retailer 5
-
HK$58,540 HKD
$7,461 USD
View
B+
Retailer 6
-
HK$59,442 HKD
$7,576 USD
View
B+
Retailer 7
-
HK$60,974 HKD
£6,119 GBP
View
B+
Retailer 8
-
HK$61,843 HKD
$7,882 USD
View
B+
Retailer 9
-
HK$64,056 HKD
$8,164 USD
View
B+
Retailer 10
-
HK$65,446 HKD
€7,944 EUR
View
B
Retailer 11
-
HK$67,547 HKD
$8,609 USD
View
B+
Retailer 12
-
HK$69,807 HKD
$8,897 USD
View
B
Retailer 13
-
HK$90,050 HKD
£9,037 GBP
View
Most Expensive
B
NZ Jewellers
6b4413de-67c2-4282-a7dc-0c7212a8737d · Oct 30
HK$108,072 HKD
$13,774 USD
View
13 more retailers have this diamond
Prices start from HK$51,047 HKDSave up to HK$57,025 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.

A
1.51ct Oval
HK$51,047 HKD