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Marquise|Natural|GIA

1.51ct K SI2 Marquise Natural Diamond

ID • K/SI2 • GIA 1553383300

Certificate GIA 1553383300

Diamond specifications and retailer prices

From HK$35,378 HKD
As of November 5, 2026
Save HK$43,921 HKD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$79,299 HKD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553383300. Listed at 11 retailers as of November 5, 2026, with prices from HK$35,378 to HK$79,299, a HK$43,921 spread on the same certified stone. NZ Jewellers lists it at HK$79,299. 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
K
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553383300
Dimensions11.04 × 5.99 × 3.80 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Knot, Crystal, Cavity, Needle, Indented Natural
Top View
11.04 mm5.99 mm1.51 ctK / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1553383300
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NDepth 63.4%

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 5
Current: HK$79,299 HKD|Low: HK$35,378 HKD|High: HK$88,061 HKD|Avg: HK$54,142 HKD|-10.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7HK$35,378 HKD
Retailer 11HK$39,438 HKD
Retailer 10HK$40,982 HKD
Retailer 6HK$44,140 HKD
Retailer 8HK$45,402 HKD
Retailer 4HK$45,473 HKD
Retailer 3HK$45,716 HKD
Retailer 2HK$51,500 HKD
Retailer 9HK$69,353 HKD
Retailer 5HK$69,659 HKD
NZ JewellersHK$79,299 HKD

42 data points across 11 retailers

11 retailersHK$35,378 HKD to HK$79,299 HKD

A
Cheapest Retailer
-
HK$35,378 HKD
B+
Retailer 2
-
HK$39,438 HKD
View
B+
Retailer 3
-
HK$40,982 HKD
View
B+
Retailer 4
-
HK$44,140 HKD
View
B+
Retailer 5
-
HK$45,402 HKD
View
B+
Retailer 6
-
HK$45,473 HKD
View
B+
Retailer 7
-
HK$45,716 HKD
View
B
Retailer 8
-
HK$51,500 HKD
View
B
Retailer 9
-
HK$69,353 HKD
View
B
Retailer 10
-
HK$69,659 HKD
View
Most Expensive
B
NZ Jewellers
0cf6a239-952c-461e-9423-3f241acea6c2 · Nov 5
HK$79,299 HKD
$10,118 USD
View
10 more retailers have this diamond
Prices start from HK$35,378 HKDSave up to HK$43,921 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 Marquise
HK$35,378 HKD