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Marquise|Natural|GIA

1.51ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 5241109438

Certificate GIA 5241109438

Diamond specifications and retailer prices

From HK$25,769 HKD
As of November 4, 2026
Save HK$20,939 HKD (45%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$46,708 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5241109438. Listed at 9 retailers as of November 4, 2026, with prices from HK$25,769 to HK$46,708, a HK$20,939 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$46,708. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.07°
Pavilion angle40.14°
OriginNatural
Grading LabGIA
CertificateGIA 5241109438
Dimensions11.11 × 5.88 × 3.77 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.11 mm5.88 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5241109438
Side View
Table 59.0%Crown 40.07°Girdle: STK-THKPavilion 40.14°Culet: NDepth 64.2%

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 4
Current: HK$34,273 HKD|Low: HK$25,769 HKD|High: HK$46,708 HKD|Avg: HK$32,736 HKD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 6, 2026
Retailer 5HK$25,769 HKD
Retailer 4HK$27,533 HKD
Retailer 7HK$28,121 HKD
Retailer 8HK$31,326 HKD
Retailer 2HK$32,831 HKD
Retailer 6HK$33,254 HKD
Retailer 1HK$34,273 HKD
Retailer 3HK$43,458 HKD
Wholesale Diamonds DirectHK$46,708 HKD

6 data points across 9 retailers

9 retailersHK$25,769 HKD to HK$46,708 HKD

A
Cheapest Retailer
-
HK$25,769 HKD
A
Retailer 2
-
HK$27,533 HKD
View
A
Retailer 3
-
HK$28,121 HKD
View
B+
Retailer 4
-
HK$31,326 HKD
View
B+
Retailer 5
-
HK$32,831 HKD
View
B+
Retailer 6
-
HK$33,254 HKD
View
B+
Retailer 7
-
HK$34,273 HKD
View
B+
Retailer 8
-
HK$43,458 HKD
View
Most Expensive
B+
Wholesale Diamonds Direct
668871297 · Nov 6
HK$46,708 HKD
$5,960 USD
View
8 more retailers have this diamond
Prices start from HK$25,769 HKDSave up to HK$20,939 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$25,769 HKD