Heart|Natural|GIA

1.51ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 1407883320

Certificate GIA 1407883320

Diamond specifications and retailer prices

From HK$78,355 HKD
$9,987 USD
As of October 28, 2026
Save HK$46,321 HKD (37%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$124,676 HKD at NZ Jewellers · As of October 27, 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 D 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 1407883320. Listed at 11 retailers as of October 27, 2026, with prices from HK$78,355 to HK$124,676, a HK$46,321 spread on the same certified stone. NZ Jewellers lists it at HK$124,676. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1407883320
Dimensions6.30 × 7.83 × 4.87 mm
L/W Ratio1.24
Culet sizeNone
Top View
6.30 mm7.83 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1407883320
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.2%

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: Oct 28
Current: HK$124,676 HKD|Low: HK$78,355 HKD|High: HK$124,676 HKD|Avg: HK$97,996 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
October 25, 2026
Retailer 13HK$78,355 HKD
Retailer 7HK$82,305 HKD
Retailer 3HK$83,400 HKD
Retailer 10HK$84,711 HKD
Retailer 14HK$89,127 HKD
Retailer 12HK$91,489 HKD
Retailer 4HK$91,557 HKD
Retailer 9HK$92,893 HKD
Retailer 6HK$102,387 HKD
Retailer 11HK$105,564 HKD
Retailer 5HK$106,690 HKD
Retailer 8HK$108,583 HKD
Retailer 2HK$116,988 HKD
NZ JewellersHK$124,676 HKD

26 data points across 14 retailers

11 retailersHK$78,355 HKD to HK$124,676 HKD

B+
Cheapest Retailer
-
HK$78,355 HKD
$9,987 USD
Retailer 2
-
HK$82,305 HKD
A$16,139 AUD
View
Price last confirmed 9 days ago
Retailer 3
-
HK$83,400 HKD
$10,630 USD
View
Price last confirmed 5 days ago
B
Retailer 4
-
HK$89,127 HKD
$11,360 USD
View
B
Retailer 5
-
HK$91,489 HKD
$11,661 USD
View
Price last confirmed 7 days ago
Retailer 6
-
HK$91,557 HKD
$11,670 USD
View
Price last confirmed 8 days ago
Retailer 7
-
HK$92,893 HKD
$11,840 USD
View
Price last confirmed 7 days ago
B
Retailer 8
-
HK$105,564 HKD
$13,455 USD
View
Retailer 9
-
HK$108,583 HKD
ZAR 223,583 ZAR
View
Price last confirmed 15 days ago
B
Retailer 10
-
HK$116,988 HKD
£11,741 GBP
View
Most Expensive
B
NZ Jewellers
7c7edc1d-f382-4685-a580-b6c2ed0237bf · Oct 27
HK$124,676 HKD
$15,891 USD
View
10 more retailers have this diamond
Prices start from HK$78,355 HKDSave up to HK$46,321 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 Heart
HK$78,355 HKD