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Marquise|Natural|GIA

1.51ct H SI1 Marquise Natural Diamond

H/SI1 • GIA 6565358396

Certificate GIA 6565358396

Diamond specifications and retailer prices

From HK$56,508 HKD
As of November 2, 2026
Save HK$43,811 HKD (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$100,319 HKD at NZ Jewellers · As of November 3, 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 SI1 clarity (slightly-included) and certified by GIA 6565358396. Listed at 7 retailers as of November 2, 2026, with prices from HK$56,508 to HK$100,319, a HK$43,811 spread on the same certified stone. NZ Jewellers lists it at HK$100,319. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
H
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle40°
Pavilion angle37.72°
OriginNatural
Grading LabGIA
CertificateGIA 6565358396
Dimensions10.92 × 5.97 × 3.71 mm
L/W Ratio1.83
Girdle conditionExtremely Thick
Key to symbols
Crystal, Feather, Cavity, Needle, Natural
Top View
10.92 mm5.97 mm1.51 ctH / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6565358396
Side View
Table 56.0%Crown 40°GirdlePavilion 37.72°CuletDepth 62.1%

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 2
Current: HK$100,319 HKD|Low: HK$54,783 HKD|High: HK$106,361 HKD|Avg: HK$71,783 HKD|-5.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2HK$56,508 HKD
Retailer 4HK$57,291 HKD
Retailer 7HK$59,603 HKD
Retailer 6HK$59,980 HKD
Retailer 5HK$60,904 HKD
Retailer 3HK$83,586 HKD
NZ JewellersHK$100,319 HKD

37 data points across 7 retailers

7 retailersHK$56,508 HKD to HK$100,319 HKD

B+
Cheapest Retailer
-
HK$56,508 HKD
B+
Retailer 2
-
HK$57,291 HKD
View
Retailer 3
-
HK$59,603 HKD
View
Price last confirmed 16 days ago
B+
Retailer 4
-
HK$59,980 HKD
View
B+
Retailer 5
-
HK$60,904 HKD
View
B
Retailer 6
-
HK$83,586 HKD
View
Most Expensive
C
NZ Jewellers
2ad8eb61-efa7-48b6-8ea3-d62b9172fbfc · Nov 3
HK$100,319 HKD
$12,800 USD
View
6 more retailers have this diamond
Prices start from HK$56,508 HKDSave up to HK$43,811 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$56,508 HKD