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Round|Natural|GIA

1.51ct G I1 Round Natural Diamond

EX • G/I1 • GIA 6512377769

Certificate GIA 6512377769

Diamond specifications and retailer prices

From HK$32,638 HKD
As of November 1, 2026
Save HK$41,708 HKD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$74,346 HKD at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6512377769. Listed at 10 retailers as of October 30, 2026, with prices from HK$32,638 to HK$74,346, a HK$41,708 spread on the same certified stone. NZ Jewellers lists it at HK$74,346. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6512377769
Dimensions7.30 × 7.25 × 4.57 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
7.30 mm7.25 mm1.51 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512377769
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

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 1
Current: HK$74,346 HKD|Low: HK$6,183 HKD|High: HK$74,346 HKD|Avg: HK$45,308 HKD
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
November 1, 2026
Retailer 7HK$32,638 HKD
Retailer 8HK$38,052 HKD
Retailer 14HK$38,766 HKD
Retailer 10HK$39,809 HKD
Retailer 9HK$44,446 HKD
Retailer 13HK$44,446 HKD
Retailer 11HK$44,510 HKD
Retailer 4HK$47,153 HKD
Retailer 5HK$47,153 HKD
Retailer 6HK$47,992 HKD
Retailer 3HK$48,722 HKD
Retailer 2HK$50,087 HKD
Retailer 12HK$51,287 HKD
NZ JewellersHK$74,346 HKD

24 data points across 14 retailers

10 retailersHK$32,638 HKD to HK$74,346 HKD

A
Cheapest Retailer
-
HK$32,638 HKD
B+
Retailer 2
-
HK$38,052 HKD
$4,850 USD
View
B+
Retailer 3
-
HK$38,766 HKD
$4,941 USD
View
B+
Retailer 4
-
HK$39,809 HKD
$5,074 USD
View
B
Retailer 5
-
HK$44,446 HKD
$5,665 USD
View
B
Retailer 6
-
HK$44,446 HKD
$5,665 USD
View
B
Retailer 7
-
HK$44,510 HKD
$5,673 USD
View
B+
Retailer 8
-
HK$50,087 HKD
€6,080 EUR
View
B
Retailer 9
-
HK$51,287 HKD
$6,537 USD
View
Most Expensive
B
NZ Jewellers
ac7aa71d-1f65-4b99-a795-a1c712b0aa66 · Oct 30
HK$74,346 HKD
$9,476 USD
View
9 more retailers have this diamond
Prices start from HK$32,638 HKDSave up to HK$41,708 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$32,638 HKD