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Round|Natural|GIA

1.51ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6561676300

Certificate GIA 6561676300

Diamond specifications and retailer prices

From HK$17,573 HKD
As of November 6, 2026
Save HK$31,750 HKD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$49,323 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561676300. Listed at 13 retailers as of November 5, 2026, with prices from HK$17,573 to HK$49,323, a HK$31,750 spread on the same certified stone. NZ Jewellers lists it at HK$49,323. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6561676300
Dimensions7.24 × 7.30 × 4.62 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Twinning Wisp, Feather, Needle, Natural
Top View
7.24 mm7.30 mm1.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561676300
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.5%

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 6
Current: HK$49,323 HKD|Low: HK$17,573 HKD|High: HK$49,323 HKD|Avg: HK$26,374 HKD|+15.0%
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 6, 2026
Retailer 11HK$17,573 HKD
Retailer 9HK$21,127 HKD
Retailer 4HK$21,221 HKD
Retailer 5HK$22,657 HKD
Retailer 8HK$23,591 HKD
Retailer 10HK$24,501 HKD
Retailer 3HK$24,626 HKD
Retailer 6HK$24,705 HKD
Retailer 13HK$26,423 HKD
Retailer 12HK$27,223 HKD
Retailer 7HK$27,395 HKD
Retailer 2HK$31,138 HKD
NZ JewellersHK$49,323 HKD

12 data points across 13 retailers

13 retailersHK$17,573 HKD to HK$49,323 HKD

A
Cheapest Retailer
-
HK$17,573 HKD
B+
Retailer 2
-
HK$21,127 HKD
View
B+
Retailer 3
-
HK$21,221 HKD
View
B+
Retailer 4
-
HK$22,657 HKD
View
B+
Retailer 5
-
HK$23,591 HKD
View
B+
Retailer 6
-
HK$24,501 HKD
View
Retailer 7
-
HK$24,626 HKD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$24,705 HKD
View
B+
Retailer 9
-
HK$26,423 HKD
View
B+
Retailer 10
-
HK$27,223 HKD
View
B+
Retailer 11
-
HK$27,395 HKD
View
B
Retailer 12
-
HK$31,138 HKD
View
Most Expensive
C
NZ Jewellers
16af0689-024b-484a-978b-e88b7ce78d30 · Nov 5
HK$49,323 HKD
$6,287 USD
View
12 more retailers have this diamond
Prices start from HK$17,573 HKDSave up to HK$31,750 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 Round
HK$17,573 HKD