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Oval|Natural|GIA

1.51ct M SI1 Oval Natural Diamond

ID • M/SI1 • GIA 1485696047

Certificate GIA 1485696047

Diamond specifications and retailer prices

From HK$18,802 HKD
As of November 4, 2026
Save HK$25,088 HKD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$43,889 HKD at NZ Jewellers · As of November 5, 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1485696047. Listed at 13 retailers as of November 4, 2026, with prices from HK$18,802 to HK$43,889, a HK$25,088 spread on the same certified stone. NZ Jewellers lists it at HK$43,889. 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
M
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1485696047
Dimensions8.82 × 6.27 × 4.02 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Cert comments
Clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Needle, Natural
Top View
8.82 mm6.27 mm1.51 ctM / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1485696047
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.2%

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$43,889 HKD|Low: HK$19,609 HKD|High: HK$43,889 HKD|Avg: HK$26,144 HKD|+1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9HK$19,609 HKD
Retailer 2HK$20,918 HKD
Retailer 5HK$20,989 HKD
Retailer 8HK$20,989 HKD
Retailer 7HK$21,796 HKD
Retailer 6HK$24,225 HKD
Retailer 3HK$25,620 HKD
Retailer 4HK$26,216 HKD
Retailer 10HK$33,583 HKD
NZ JewellersHK$43,889 HKD

43 data points across 10 retailers

13 retailersHK$18,802 HKD to HK$43,889 HKD

B+
Cheapest Retailer
-
HK$18,802 HKD
B+
Retailer 2
-
HK$19,609 HKD
View
B+
Retailer 3
-
HK$20,691 HKD
View
B+
Retailer 4
-
HK$20,918 HKD
View
B+
Retailer 5
-
HK$20,989 HKD
View
Retailer 6
-
HK$20,989 HKD
View
Price last confirmed 8 days ago
Retailer 7
-
HK$20,989 HKD
View
Price last confirmed 19 days ago
B+
Retailer 8
-
HK$21,796 HKD
View
B
Retailer 9
-
HK$24,225 HKD
View
Retailer 10
-
HK$24,225 HKD
View
Price last confirmed 19 days ago
B
Retailer 11
-
HK$25,620 HKD
View
B
Retailer 12
-
HK$26,216 HKD
View
Most Expensive
B
NZ Jewellers
b0ea946a-fc9a-4b91-9e45-6ff914f80491 · Nov 5
HK$43,889 HKD
$5,600 USD
View
12 more retailers have this diamond
Prices start from HK$18,802 HKDSave up to HK$25,088 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$18,802 HKD