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Round|Natural|GIA

1.51ct M I1 Round Natural Diamond

EX • M/I1 • GIA 6542317988

Certificate GIA 6542317988

Diamond specifications and retailer prices

From HK$18,475 HKD
As of November 6, 2026
Save HK$25,277 HKD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$43,753 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6542317988. Listed at 7 retailers as of November 5, 2026, with prices from HK$18,475 to HK$43,753, a HK$25,277 spread on the same certified stone. NZ Jewellers lists it at HK$43,753. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
M
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542317988
Dimensions7.24 × 7.29 × 4.56 mm
L/W Ratio1.01
Top View
7.24 mm7.29 mm1.51 ctM / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6542317988
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°CuletDepth 62.8%

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 6
Current: HK$43,753 HKD|Low: HK$18,271 HKD|High: HK$43,753 HKD|Avg: HK$29,560 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3HK$18,475 HKD
Retailer 7HK$22,492 HKD
Retailer 5HK$25,112 HKD
Retailer 4HK$26,077 HKD
Retailer 6HK$28,972 HKD
Retailer 2HK$29,168 HKD
Retailer 8HK$29,882 HKD
Retailer 9HK$42,066 HKD
NZ JewellersHK$43,753 HKD

23 data points across 9 retailers

7 retailersHK$18,475 HKD to HK$43,753 HKD

B+
Cheapest Retailer
-
HK$18,475 HKD
B
Retailer 2
-
HK$22,492 HKD
View
Retailer 3
-
HK$25,112 HKD
View
Price last confirmed 8 days ago
B
Retailer 4
-
HK$26,077 HKD
View
B
Retailer 5
-
HK$28,972 HKD
View
B
Retailer 6
-
HK$29,168 HKD
View
Most Expensive
C
NZ Jewellers
a14c2c67-b725-417e-a55e-4250e00f81a8 · Nov 5
HK$43,753 HKD
$5,577 USD
View
6 more retailers have this diamond
Prices start from HK$18,475 HKDSave up to HK$25,277 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 Round
HK$18,475 HKD