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Marquise|Natural|GIA

1.51ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 7558309385

Certificate GIA 7558309385

Diamond specifications and retailer prices

From HK$20,142 HKD
As of November 5, 2026
Save HK$20,452 HKD (50%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$40,595 HKD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 7558309385. Listed at 10 retailers as of November 5, 2026, with prices from HK$20,142 to HK$40,595, a HK$20,452 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$40,595. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.92°
Pavilion angle38.88°
OriginNatural
Grading LabGIA
CertificateGIA 7558309385
Dimensions11.13 × 5.88 × 3.73 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.13 mm5.88 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558309385
Side View
Table 59.0%Crown 39.92°Girdle: MED-THKPavilion 38.88°Culet: NoneDepth 63.5%

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$24,037 HKD|Low: HK$19,625 HKD|High: HK$46,240 HKD|Avg: HK$29,234 HKD|-12.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 3HK$19,625 HKD
Retailer 6HK$20,142 HKD
Retailer 7HK$22,290 HKD
Retailer 1HK$24,037 HKD
Retailer 4HK$25,095 HKD
Retailer 10HK$26,859 HKD
Retailer 8HK$28,614 HKD
Retailer 9HK$29,241 HKD
Retailer 5HK$29,649 HKD
Retailer 2HK$30,401 HKD
Retailer 11HK$38,239 HKD
Wholesale Diamonds DirectHK$40,595 HKD

33 data points across 12 retailers

10 retailersHK$20,142 HKD to HK$40,595 HKD

A
Cheapest Retailer
-
HK$20,142 HKD
A
Retailer 2
-
HK$22,290 HKD
View
A
Retailer 3
-
HK$24,037 HKD
View
A
Retailer 4
-
HK$25,095 HKD
View
A
Retailer 5
-
HK$26,859 HKD
View
A
Retailer 6
-
HK$28,614 HKD
View
A
Retailer 7
-
HK$29,241 HKD
View
A
Retailer 8
-
HK$29,649 HKD
View
B+
Retailer 9
-
HK$30,401 HKD
View
Most Expensive
B+
Wholesale Diamonds Direct
262936460 · Nov 6
HK$40,595 HKD
$5,180 USD
View
9 more retailers have this diamond
Prices start from HK$20,142 HKDSave up to HK$20,452 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$20,142 HKD