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Marquise|Natural|GIA

1.51ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 7546359548

Certificate GIA 7546359548

Diamond specifications and retailer prices

From HK$90,471 HKD
A$17,739 AUD
As of November 2, 2026
Save HK$65,186 HKD (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$155,656 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7546359548. Listed at 16 retailers as of November 2, 2026, with prices from HK$90,471 to HK$155,656, a HK$65,186 spread on the same certified stone. MOH London lists it at HK$155,656. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.98°
Pavilion angle40.36°
OriginNatural
Grading LabGIA
CertificateGIA 7546359548
Dimensions11.45 × 6.22 × 3.71 mm
L/W Ratio1.84
Girdle conditionVery Thick
Key to symbols
Feather, Cloud, Pinpoint
Top View
11.45 mm6.22 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7546359548
Side View
Table 64.0%Crown 32.98°GirdlePavilion 40.36°Culet: NDepth 59.6%

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$155,656 HKD|Low: HK$87,625 HKD|High: HK$157,530 HKD|Avg: HK$119,747 HKD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8HK$90,471 HKD
Retailer 10HK$105,428 HKD
Retailer 4HK$106,372 HKD
Retailer 9HK$106,993 HKD
Retailer 7HK$110,010 HKD
Retailer 2HK$111,501 HKD
Retailer 5HK$119,174 HKD
Retailer 3HK$125,537 HKD
Retailer 6HK$146,420 HKD
MOH LondonHK$155,656 HKD

32 data points across 10 retailers

16 retailersHK$90,471 HKD to HK$155,656 HKD

B+
Cheapest Retailer
-
HK$90,471 HKD
A$17,739 AUD
B
Retailer 2
-
HK$100,846 HKD
$12,853 USD
View
B
Retailer 3
-
HK$102,070 HKD
$13,009 USD
View
B
Retailer 4
-
HK$105,428 HKD
$13,437 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$106,372 HKD
£10,675 GBP
View
Retailer 6
-
HK$106,993 HKD
A$20,979 AUD
View
Price last confirmed 10 days ago
B
Retailer 7
-
HK$108,002 HKD
$13,765 USD
View
B
Retailer 8
-
HK$110,010 HKD
$14,021 USD
View
Retailer 9
-
HK$110,010 HKD
$14,021 USD
View
Price last confirmed 17 days ago
B+
Retailer 10
-
HK$111,501 HKD
£11,190 GBP
View
B
Retailer 11
-
HK$116,993 HKD
$14,911 USD
View
B
Retailer 12
-
HK$119,174 HKD
$15,189 USD
View
Retailer 13
-
HK$123,764 HKD
$15,774 USD
View
Price last confirmed 44 days ago
B
Retailer 14
-
HK$125,537 HKD
€15,238 EUR
View
B
Retailer 15
-
HK$146,420 HKD
ZAR 301,479 ZAR
View
Most Expensive
B
MOH London
C167A3398 · Nov 2
HK$155,656 HKD
£15,621 GBP
View
15 more retailers have this diamond
Prices start from HK$90,471 HKDSave up to HK$65,186 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$90,471 HKD