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Round|Natural|GIA

1.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 7491376602

Certificate GIA 7491376602

Diamond specifications and retailer prices

From HK$36,315 HKD
As of November 4, 2026
Save HK$40,568 HKD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$76,883 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7491376602. Listed at 13 retailers as of November 4, 2026, with prices from HK$36,315 to HK$76,883, a HK$40,568 spread on the same certified stone. NZ Jewellers lists it at HK$76,883. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7491376602
Dimensions7.45 × 7.43 × 4.50 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds, additional twinning wisps, pinpoints and surface graining are not shown.
Top View
7.45 mm7.43 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7491376602
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.4%

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$76,883 HKD|Low: HK$36,716 HKD|High: HK$76,883 HKD|Avg: HK$50,490 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5HK$36,716 HKD
Retailer 6HK$41,642 HKD
Retailer 7HK$41,642 HKD
Retailer 9HK$41,642 HKD
Retailer 3HK$44,106 HKD
Retailer 8HK$48,052 HKD
Retailer 2HK$49,895 HKD
Retailer 4HK$67,539 HKD
NZ JewellersHK$76,883 HKD

41 data points across 9 retailers

13 retailersHK$36,315 HKD to HK$76,883 HKD

B+
Cheapest Retailer
-
HK$36,315 HKD
B+
Retailer 2
-
HK$36,716 HKD
View
B+
Retailer 3
-
HK$38,763 HKD
View
B
Retailer 4
-
HK$41,195 HKD
View
B
Retailer 5
-
HK$41,642 HKD
View
Retailer 6
-
HK$41,642 HKD
View
Price last confirmed 8 days ago
B
Retailer 7
-
HK$41,642 HKD
View
B+
Retailer 8
-
HK$44,106 HKD
View
B
Retailer 9
-
HK$48,052 HKD
View
B
Retailer 10
-
HK$49,895 HKD
View
Retailer 11
-
HK$50,704 HKD
View
Price last confirmed 14 days ago
B
Retailer 12
-
HK$67,539 HKD
View
Most Expensive
C
NZ Jewellers
2c03ce52-d5a5-4a88-aa87-0d9ab6985084 · Nov 5
HK$76,883 HKD
$9,800 USD
View
12 more retailers have this diamond
Prices start from HK$36,315 HKDSave up to HK$40,568 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$36,315 HKD