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Round|Natural|GIA

1.51ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7561487212

Certificate GIA 7561487212

Diamond specifications and retailer prices

From HK$25,701 HKD
As of November 6, 2026
Save HK$35,154 HKD (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$64,150 HKD at NZ Jewellers · As of October 9, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7561487212. Listed at 18 retailers as of November 5, 2026, with a 137% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7561487212
Dimensions7.29 × 7.24 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.29 mm7.24 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7561487212
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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$60,855 HKD|Low: HK$25,403 HKD|High: HK$64,150 HKD|Avg: HK$38,372 HKD|-5.1%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 18HK$25,701 HKD
Retailer 10HK$27,694 HKD
Retailer 17HK$28,580 HKD
Retailer 19HK$30,730 HKD
Retailer 4HK$30,910 HKD
Retailer 6HK$32,244 HKD
Retailer 14HK$32,275 HKD
Retailer 13HK$32,338 HKD
Retailer 9HK$32,864 HKD
Retailer 5HK$33,915 HKD
Retailer 7HK$35,853 HKD
Retailer 3HK$36,896 HKD
Retailer 12HK$38,034 HKD
Retailer 11HK$39,501 HKD
Retailer 15HK$42,615 HKD
Retailer 8HK$43,635 HKD
Retailer 2HK$53,967 HKD
Retailer 16HK$55,481 HKD
NZ JewellersHK$60,855 HKD

27 data points across 19 retailers

18 retailersHK$25,701 HKD to HK$60,855 HKD

A
Cheapest Retailer
-
HK$25,701 HKD
Retailer 2
-
HK$27,694 HKD
View
Price last confirmed 23 days ago
A
Retailer 3
-
HK$28,580 HKD
View
A
Retailer 4
-
HK$30,730 HKD
View
A
Retailer 5
-
HK$30,910 HKD
View
B+
Retailer 6
-
HK$32,244 HKD
View
Final sale: no returns
B+
Retailer 7
-
HK$32,275 HKD
View
B+
Retailer 8
-
HK$32,338 HKD
View
B+
Retailer 9
-
HK$32,864 HKD
View
B+
Retailer 10
-
HK$33,915 HKD
View
B+
Retailer 11
-
HK$35,853 HKD
View
B+
Retailer 12
-
HK$36,896 HKD
View
B+
Retailer 13
-
HK$38,034 HKD
View
B
Retailer 14
-
HK$42,615 HKD
View
B
Retailer 15
-
HK$53,967 HKD
View
B
Retailer 16
-
HK$55,481 HKD
View
B
Retailer 17
-
HK$60,855 HKD
View
Most Expensive
NZ Jewellers
576f1a53-d4c8-45e6-8ec8-5f967e3b2114 · Oct 9
HK$64,150 HKD
$8,177 USD
View
Price last confirmed 28 days ago
17 more retailers have this diamond
Prices start from HK$25,701 HKDSave up to HK$35,154 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$25,701 HKD