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Heart|Natural|GIA

1.51ct F SI1 Heart Natural Diamond

ID • F/SI1 • GIA 2235669195

Certificate GIA 2235669195

Diamond specifications and retailer prices

From HK$37,045 HKD
£3,718 GBP
As of November 2, 2026
Save HK$29,184 HKD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$66,229 HKD at NZ Jewellers · As of October 30, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235669195. Listed at 8 retailers as of October 30, 2026, with prices from HK$37,045 to HK$66,229, a HK$29,184 spread on the same certified stone. NZ Jewellers lists it at HK$66,229. 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
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.37°
Pavilion angle40.08°
OriginNatural
Grading LabGIA
CertificateGIA 2235669195
Dimensions7.04 × 7.83 × 4.69 mm
L/W Ratio1.11
Top View
7.04 mm7.83 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2235669195
Side View
Table 61.0%Crown 38.37°Girdle: Thick to Very ThickPavilion 40.08°Culet: NoneDepth 59.9%

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 2
Current: HK$66,229 HKD|Low: HK$36,210 HKD|High: HK$67,131 HKD|Avg: HK$44,947 HKD|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11HK$36,210 HKD
Retailer 2HK$37,045 HKD
Retailer 9HK$37,230 HKD
Retailer 6HK$39,599 HKD
Retailer 7HK$39,599 HKD
Retailer 8HK$39,917 HKD
Retailer 10HK$40,596 HKD
Retailer 12HK$43,723 HKD
Retailer 4HK$43,821 HKD
Retailer 3HK$44,723 HKD
Retailer 5HK$63,066 HKD
NZ JewellersHK$66,229 HKD

34 data points across 12 retailers

8 retailersHK$37,045 HKD to HK$66,229 HKD

A
Cheapest Retailer
-
HK$37,045 HKD
£3,718 GBP
A
Retailer 2
-
HK$37,230 HKD
$4,745 USD
View
A
Retailer 3
-
HK$39,599 HKD
$5,047 USD
View
A
Retailer 4
-
HK$39,599 HKD
$5,047 USD
View
Retailer 5
-
HK$39,917 HKD
A$7,827 AUD
View
Price last confirmed 24 days ago
B+
Retailer 6
-
HK$40,596 HKD
$5,174 USD
View
B
Retailer 7
-
HK$63,066 HKD
£6,329 GBP
View
Most Expensive
B
NZ Jewellers
acbcf805-635b-40e7-9d17-ba5213ca6575 · Oct 30
HK$66,229 HKD
$8,441 USD
View
7 more retailers have this diamond
Prices start from HK$37,045 HKDSave up to HK$29,184 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$37,045 HKD