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Marquise|Natural|GIA

1.51ct H SI1 Marquise Natural Diamond

ID • H/SI1 • GIA 2567421638

Certificate GIA 2567421638

Diamond specifications and retailer prices

From HK$56,202 HKD
As of November 6, 2026
Save HK$43,940 HKD (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$100,142 HKD at MOH London · As of November 4, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567421638. Listed at 7 retailers as of November 4, 2026, with prices from HK$56,202 to HK$100,142, a HK$43,940 spread on the same certified stone. MOH London lists it at HK$100,142. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2567421638
Dimensions11.70 × 6.15 × 3.57 mm
L/W Ratio1.90
Culet sizeNone
Top View
11.70 mm6.15 mm1.51 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2567421638
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NDepth 58.0%

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 6
Current: HK$100,142 HKD|Low: HK$57,942 HKD|High: HK$100,142 HKD|Avg: HK$68,764 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 4HK$57,942 HKD
Retailer 5HK$59,306 HKD
Retailer 6HK$61,962 HKD
Retailer 2HK$66,547 HKD
Retailer 3HK$71,407 HKD
MOH LondonHK$100,142 HKD

5 data points across 6 retailers

7 retailersHK$56,202 HKD to HK$100,142 HKD

B+
Cheapest Retailer
-
HK$56,202 HKD
B+
Retailer 2
-
HK$57,942 HKD
View
B+
Retailer 3
-
HK$59,306 HKD
View
B+
Retailer 4
-
HK$61,962 HKD
View
B+
Retailer 5
-
HK$66,547 HKD
View
B
Retailer 6
-
HK$71,407 HKD
View
Most Expensive
B
MOH London
F14C0F569 · Nov 4
HK$100,142 HKD
£10,061 GBP
View
6 more retailers have this diamond
Prices start from HK$56,202 HKDSave up to HK$43,940 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$56,202 HKD