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Marquise|Natural|GIA

1.51ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 6551370864

Certificate GIA 6551370864

Diamond specifications and retailer prices

From HK$24,258 HKD
SGD 4,178 SGD
As of October 31, 2026
Save HK$25,791 HKD (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$50,048 HKD at Wholesale Diamonds Direct · As of October 27, 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 J 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 6551370864. Listed at 10 retailers as of October 27, 2026, with prices from HK$24,258 to HK$50,048, a HK$25,791 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$50,048. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.06°
Pavilion angle38.76°
OriginNatural
Grading LabGIA
CertificateGIA 6551370864
Dimensions11.46 × 6.06 × 3.69 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.46 mm6.06 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551370864
Side View
Table 58.0%Crown 38.06°Girdle: MED-THKPavilion 38.76°Culet: NoneDepth 61.0%

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: Oct 31
Current: HK$35,565 HKD|Low: HK$24,258 HKD|High: HK$56,196 HKD|Avg: HK$35,721 HKD|-13.8%
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 2, 2026
Retailer 6HK$24,258 HKD
Retailer 3HK$24,365 HKD
Retailer 4HK$27,539 HKD
Retailer 10HK$28,983 HKD
Retailer 5HK$29,423 HKD
Retailer 9HK$30,064 HKD
Retailer 7HK$34,962 HKD
Retailer 8HK$35,303 HKD
Retailer 1HK$35,565 HKD
Retailer 2HK$37,740 HKD
Retailer 11HK$47,414 HKD
Wholesale Diamonds DirectHK$50,048 HKD

30 data points across 12 retailers

10 retailersHK$24,258 HKD to HK$50,048 HKD

A
Cheapest Retailer
-
HK$24,258 HKD
SGD 4,178 SGD
A
Retailer 2
-
HK$27,539 HKD
$3,510 USD
View
A
Retailer 3
-
HK$28,983 HKD
$3,694 USD
View
A
Retailer 4
-
HK$29,423 HKD
$3,750 USD
View
A
Retailer 5
-
HK$30,064 HKD
SGD 5,178 SGD
View
A
Retailer 6
-
HK$34,962 HKD
$4,456 USD
View
A
Retailer 7
-
HK$35,303 HKD
$4,499 USD
View
A
Retailer 8
-
HK$35,565 HKD
€4,317 EUR
View
B+
Retailer 9
-
HK$37,740 HKD
$4,810 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
262936432 · Oct 27
HK$50,048 HKD
$6,379 USD
View
9 more retailers have this diamond
Prices start from HK$24,258 HKDSave up to HK$25,791 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$24,258 HKD