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Marquise|Natural|GIA

1.51ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 1545041696

Certificate GIA 1545041696

Diamond specifications and retailer prices

From HK$106,087 HKD
$13,521 USD
As of November 1, 2026
Save HK$74,142 HKD (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$180,229 HKD at MOH London · As of November 1, 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 1545041696. Listed at 14 retailers as of November 1, 2026, with prices from HK$106,087 to HK$180,229, a HK$74,142 spread on the same certified stone. MOH London lists it at HK$180,229. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle42.1°
OriginNatural
Grading LabGIA
CertificateGIA 1545041696
Dimensions12.16 × 5.93 × 3.78 mm
L/W Ratio2.05
Girdle conditionFaceted
Top View
12.16 mm5.93 mm1.51 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545041696
Side View
Table 59.0%CrownGirdle: STK-THKPavilion 42.1°Culet: NoneDepth 63.7%

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 1
Current: HK$180,229 HKD|Low: HK$96,170 HKD|High: HK$182,401 HKD|Avg: HK$135,133 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7HK$110,591 HKD
Retailer 8HK$113,180 HKD
Retailer 3HK$115,400 HKD
Retailer 6HK$121,239 HKD
Retailer 4HK$121,537 HKD
Retailer 9HK$123,090 HKD
Retailer 10HK$125,020 HKD
Retailer 2HK$139,979 HKD
Retailer 11HK$163,481 HKD
Retailer 5HK$169,540 HKD
MOH LondonHK$180,229 HKD

45 data points across 11 retailers

14 retailersHK$106,087 HKD to HK$180,229 HKD

B+
Cheapest Retailer
-
HK$106,087 HKD
$13,521 USD
B+
Retailer 2
-
HK$110,591 HKD
$14,095 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$113,180 HKD
$14,425 USD
View
B+
Retailer 4
-
HK$115,400 HKD
$14,708 USD
View
B+
Retailer 5
-
HK$116,358 HKD
$14,830 USD
View
Retailer 6
-
HK$121,239 HKD
A$23,773 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
HK$121,537 HKD
£12,197 GBP
View
B
Retailer 8
-
HK$123,090 HKD
$15,688 USD
View
B
Retailer 9
-
HK$125,020 HKD
$15,934 USD
View
B
Retailer 10
-
HK$129,822 HKD
$16,546 USD
View
B
Retailer 11
-
HK$139,979 HKD
€16,991 EUR
View
B
Retailer 12
-
HK$163,481 HKD
$20,836 USD
View
B
Retailer 13
-
HK$169,540 HKD
ZAR 349,082 ZAR
View
Most Expensive
B
MOH London
95D10177E · Nov 1
HK$180,229 HKD
£18,087 GBP
View
13 more retailers have this diamond
Prices start from HK$106,087 HKDSave up to HK$74,142 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$106,087 HKD