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Marquise|Natural|GIA

1.51ct G SI1 Marquise Natural Diamond

VG • G/SI1 • GIA 1558829621

Certificate GIA 1558829621

Diamond specifications and retailer prices

From HK$71,171 HKD
As of November 6, 2026
Save HK$51,376 HKD (42%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$122,547 HKD at MOH London · As of November 7, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1558829621. Listed at 13 retailers as of November 6, 2026, with prices from HK$71,171 to HK$122,547, a HK$51,376 spread on the same certified stone. MOH London lists it at HK$122,547. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
G
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558829621
Dimensions11.17 × 5.88 × 3.79 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Pinpoint
Top View
11.17 mm5.88 mm1.51 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558829621
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.4%

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$122,547 HKD|Low: HK$63,687 HKD|High: HK$124,518 HKD|Avg: HK$85,527 HKD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 7, 2026
Retailer 8HK$63,687 HKD
Retailer 5HK$71,171 HKD
Retailer 6HK$71,571 HKD
Retailer 11HK$76,085 HKD
Retailer 7HK$76,336 HKD
Retailer 4HK$76,979 HKD
Retailer 12HK$82,465 HKD
Retailer 2HK$85,200 HKD
Retailer 9HK$88,806 HKD
Retailer 15HK$91,980 HKD
Retailer 14HK$93,265 HKD
Retailer 16HK$93,265 HKD
Retailer 10HK$95,342 HKD
Retailer 3HK$96,400 HKD
Retailer 13HK$96,988 HKD
MOH LondonHK$122,547 HKD

10 data points across 16 retailers

13 retailersHK$71,171 HKD to HK$122,547 HKD

B+
Cheapest Retailer
-
HK$71,171 HKD
B+
Retailer 2
-
HK$76,085 HKD
View
B+
Retailer 3
-
HK$76,979 HKD
View
B
Retailer 4
-
HK$82,465 HKD
View
B+
Retailer 5
-
HK$85,200 HKD
View
B
Retailer 6
-
HK$88,806 HKD
View
B
Retailer 7
-
HK$91,980 HKD
View
B
Retailer 8
-
HK$93,265 HKD
View
B
Retailer 9
-
HK$93,265 HKD
View
B
Retailer 10
-
HK$95,342 HKD
View
B
Retailer 11
-
HK$96,400 HKD
View
B
Retailer 12
-
HK$96,988 HKD
View
Most Expensive
B
MOH London
941042344 · Nov 7
HK$122,547 HKD
£12,312 GBP
View
12 more retailers have this diamond
Prices start from HK$71,171 HKDSave up to HK$51,376 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$71,171 HKD