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Heart|Natural|GIA

1.70ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 6531454705

Certificate GIA 6531454705

Diamond specifications and retailer prices

From HK$67,575 HKD
$8,613 USD
As of November 1, 2026
Save HK$54,206 HKD (45%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$121,781 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural heart diamond

This 1.7ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6531454705. Listed at 18 retailers as of October 30, 2026, with prices from HK$67,575 to HK$121,781, a HK$54,206 spread on the same certified stone. NZ Jewellers lists it at HK$121,781. 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

1.70
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 6531454705
Dimensions7.39 × 8.15 × 4.72 mm
L/W Ratio1.10
Top View
7.39 mm8.15 mm1.70 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531454705
Side View
Table 58.0%CrownGirdle: MED-THKPavilion 39.8°Culet: NoneDepth 57.9%

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: Nov 1
Current: HK$121,781 HKD|Low: HK$73,067 HKD|High: HK$121,781 HKD|Avg: HK$91,475 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8HK$73,067 HKD
Retailer 10HK$73,679 HKD
Retailer 7HK$79,155 HKD
Retailer 4HK$79,963 HKD
Retailer 6HK$80,379 HKD
Retailer 5HK$87,446 HKD
Retailer 9HK$91,340 HKD
Retailer 11HK$96,165 HKD
Retailer 3HK$104,161 HKD
Retailer 2HK$114,118 HKD
NZ JewellersHK$121,781 HKD

42 data points across 11 retailers

18 retailersHK$67,575 HKD to HK$121,781 HKD

B+
Cheapest Retailer
-
HK$67,575 HKD
$8,613 USD
B+
Retailer 2
-
HK$68,415 HKD
$8,720 USD
View
B+
Retailer 3
-
HK$68,449 HKD
A$13,422 AUD
View
B+
Retailer 4
-
HK$70,844 HKD
CA$12,541 CAD
View
B+
Retailer 5
-
HK$73,067 HKD
$9,313 USD
View
B+
Retailer 6
-
HK$73,679 HKD
$9,391 USD
View
B+
Retailer 7
-
HK$79,155 HKD
$10,089 USD
View
B+
Retailer 8
-
HK$79,963 HKD
£8,025 GBP
View
B+
Retailer 9
-
HK$80,379 HKD
$10,245 USD
View
B
Retailer 10
-
HK$84,224 HKD
$10,735 USD
View
B
Retailer 11
-
HK$85,989 HKD
$10,960 USD
View
B
Retailer 12
-
HK$85,989 HKD
$10,960 USD
View
B
Retailer 13
-
HK$87,446 HKD
€10,615 EUR
View
B
Retailer 14
-
HK$88,813 HKD
$11,320 USD
View
B
Retailer 15
-
HK$91,340 HKD
$11,642 USD
View
Retailer 16
-
HK$96,165 HKD
$12,257 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
HK$114,118 HKD
£11,453 GBP
View
Most Expensive
B
NZ Jewellers
21c0fa02-08f9-493f-9a00-f5ccc72755ee · Oct 30
HK$121,781 HKD
$15,522 USD
View
17 more retailers have this diamond
Prices start from HK$67,575 HKDSave up to HK$54,206 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+
1.70ct Heart
HK$67,575 HKD