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Oval|Natural|GIA

1.51ct M SI1 Oval Natural Diamond

M/SI1 • GIA 5231782704

Certificate GIA 5231782704

Diamond specifications and retailer prices

From HK$14,750 HKD
As of November 6, 2026
Save HK$6,366 HKD (30%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$21,116 HKD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included) and certified by GIA 5231782704. Listed at 2 retailers as of November 6, 2026, with prices from HK$14,750 to HK$21,116, a HK$6,366 spread on the same certified stone. Yorxs lists it at HK$21,116. 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
M
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5231782704
Dimensions8.86 × 6.32 × 3.97 mm
L/W Ratio1.40
Top View
8.86 mm6.32 mm1.51 ctM / SI1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5231782704
Side View
Table 59.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$14,750 HKD|Low: HK$13,896 HKD|High: HK$22,351 HKD|Avg: HK$17,813 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 6, 2026
Retailer 4HK$13,896 HKD
Retailer 1HK$14,750 HKD
Retailer 2HK$17,752 HKD
YorxsHK$21,116 HKD
Retailer 3HK$21,569 HKD

15 data points across 5 retailers

2 retailersHK$14,750 HKD to HK$21,116 HKD

B+
Cheapest Retailer
-
HK$14,750 HKD
Most Expensive
B
Yorxs
516040235 · Nov 6
HK$21,116 HKD
€2,566 EUR
View
1 more retailer has this diamond
Prices start from HK$14,750 HKDSave up to HK$6,366 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$14,750 HKD