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Marquise|Natural|GIA

1.51ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 6542470783

Certificate GIA 6542470783

Diamond specifications and retailer prices

From HK$71,823 HKD
$9,154 USD
As of October 28, 2026
Save HK$57,198 HKD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$129,021 HKD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542470783. Listed at 14 retailers as of October 27, 2026, with prices from HK$71,823 to HK$129,021, a HK$57,198 spread on the same certified stone. NZ Jewellers lists it at HK$129,021. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542470783
Dimensions11.78 × 5.93 × 3.70 mm
L/W Ratio1.99
Top View
11.78 mm5.93 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542470783
Side View
Table 59.0%CrownGirdle: STK-VTKPavilion 39.8°Culet: NoneDepth 62.4%

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$129,021 HKD|Low: HK$71,415 HKD|High: HK$129,021 HKD|Avg: HK$90,359 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
Retailer 15
October 29, 2026
Retailer 3HK$71,415 HKD
Retailer 13HK$71,823 HKD
Retailer 5HK$74,517 HKD
Retailer 12HK$77,410 HKD
Retailer 4HK$78,061 HKD
Retailer 11HK$83,867 HKD
Retailer 2HK$84,776 HKD
Retailer 10HK$85,154 HKD
Retailer 7HK$89,328 HKD
Retailer 9HK$91,141 HKD
Retailer 14HK$96,766 HKD
Retailer 6HK$97,205 HKD
Retailer 15HK$101,858 HKD
Retailer 8HK$121,548 HKD
NZ JewellersHK$129,021 HKD

39 data points across 15 retailers

14 retailersHK$71,823 HKD to HK$129,021 HKD

B+
Cheapest Retailer
-
HK$71,823 HKD
$9,154 USD
B
Retailer 2
-
HK$74,517 HKD
CA$13,191 CAD
View
Retailer 3
-
HK$77,410 HKD
$9,866 USD
View
Price last confirmed 8 days ago
Retailer 4
-
HK$78,061 HKD
$9,949 USD
View
Price last confirmed 8 days ago
Retailer 5
-
HK$83,867 HKD
$10,689 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
HK$84,776 HKD
£8,508 GBP
View
Retailer 7
-
HK$85,154 HKD
$10,853 USD
View
Price last confirmed 8 days ago
B
Retailer 8
-
HK$89,328 HKD
$11,385 USD
View
B
Retailer 9
-
HK$91,141 HKD
€11,063 EUR
View
B
Retailer 10
-
HK$96,766 HKD
$12,333 USD
View
B
Retailer 11
-
HK$97,205 HKD
$12,389 USD
View
Retailer 12
-
HK$101,858 HKD
$12,982 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
HK$121,548 HKD
£12,198 GBP
View
Most Expensive
B
NZ Jewellers
240641f6-00a5-4299-b027-002ec89afdb8 · Oct 27
HK$129,021 HKD
$16,444 USD
View
13 more retailers have this diamond
Prices start from HK$71,823 HKDSave up to HK$57,198 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 Marquise
HK$71,823 HKD