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Heart|Natural|GIA

1.51ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 6561499420

Certificate GIA 6561499420

Diamond specifications and retailer prices

From HK$32,196 HKD
As of November 6, 2026
Save HK$42,079 HKD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$74,275 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561499420. Listed at 16 retailers as of November 5, 2026, with prices from HK$32,196 to HK$74,275, a HK$42,079 spread on the same certified stone. NZ Jewellers lists it at HK$74,275. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561499420
Dimensions7.05 × 7.76 × 4.61 mm
L/W Ratio1.10
Girdle conditionFaceted
Top View
7.05 mm7.76 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561499420
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.4%

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$74,275 HKD|Low: HK$31,694 HKD|High: HK$74,777 HKD|Avg: HK$45,950 HKD|-0.7%
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
November 6, 2026
Retailer 3HK$32,196 HKD
Retailer 6HK$36,217 HKD
Retailer 2HK$36,883 HKD
Retailer 13HK$38,662 HKD
Retailer 14HK$39,218 HKD
Retailer 11HK$40,206 HKD
Retailer 7HK$40,723 HKD
Retailer 4HK$40,990 HKD
Retailer 8HK$41,397 HKD
Retailer 16HK$41,499 HKD
Retailer 9HK$41,617 HKD
Retailer 10HK$49,971 HKD
Retailer 12HK$54,180 HKD
Retailer 15HK$68,029 HKD
Retailer 5HK$69,753 HKD
NZ JewellersHK$74,275 HKD

20 data points across 16 retailers

16 retailersHK$32,196 HKD to HK$74,275 HKD

A
Cheapest Retailer
-
HK$32,196 HKD
Retailer 2
-
HK$36,217 HKD
View
Price last confirmed 8 days ago
A
Retailer 3
-
HK$36,883 HKD
View
A
Retailer 4
-
HK$38,662 HKD
View
A
Retailer 5
-
HK$39,218 HKD
View
A
Retailer 6
-
HK$40,206 HKD
View
Retailer 7
-
HK$40,723 HKD
View
Price last confirmed 11 days ago
A
Retailer 8
-
HK$40,990 HKD
View
Final sale: no returns
A
Retailer 9
-
HK$41,397 HKD
View
B+
Retailer 10
-
HK$41,499 HKD
View
A
Retailer 11
-
HK$41,617 HKD
View
B+
Retailer 12
-
HK$49,971 HKD
View
B+
Retailer 13
-
HK$54,180 HKD
View
B
Retailer 14
-
HK$68,029 HKD
View
B
Retailer 15
-
HK$69,753 HKD
View
Most Expensive
B
NZ Jewellers
343583af-7775-4d7c-acc2-7fa32cb1b7b5 · Nov 5
HK$74,275 HKD
$9,477 USD
View
15 more retailers have this diamond
Prices start from HK$32,196 HKDSave up to HK$42,079 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 Heart
HK$32,196 HKD