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Marquise|Natural|GIA

1.20ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 5241088647

Certificate GIA 5241088647

Diamond specifications and retailer prices

From HK$33,928 HKD
As of November 5, 2026
Save HK$34,273 HKD (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$68,201 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded I 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 5241088647. Listed at 13 retailers as of November 4, 2026, with prices from HK$33,928 to HK$68,201, a HK$34,273 spread on the same certified stone. MOH London lists it at HK$68,201. 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

1.20
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5241088647
Dimensions10.42 × 5.34 × 3.39 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizeNone
Top View
10.42 mm5.34 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5241088647
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.5%

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 5
Current: HK$68,201 HKD|Low: HK$33,928 HKD|High: HK$68,201 HKD|Avg: HK$43,910 HKD
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
November 7, 2026
Retailer 11HK$33,928 HKD
Retailer 12HK$36,201 HKD
Retailer 10HK$36,601 HKD
Retailer 9HK$40,935 HKD
Retailer 13HK$41,170 HKD
Retailer 2HK$41,476 HKD
Retailer 6HK$41,648 HKD
Retailer 7HK$41,695 HKD
Retailer 3HK$43,576 HKD
Retailer 4HK$43,576 HKD
Retailer 5HK$45,065 HKD
Retailer 8HK$52,385 HKD
MOH LondonHK$68,201 HKD

4 data points across 13 retailers

13 retailersHK$33,928 HKD to HK$68,201 HKD

B+
Cheapest Retailer
-
HK$33,928 HKD
B+
Retailer 2
-
HK$36,201 HKD
View
B
Retailer 3
-
HK$36,601 HKD
View
B
Retailer 4
-
HK$40,935 HKD
View
B
Retailer 5
-
HK$41,170 HKD
View
B
Retailer 6
-
HK$41,476 HKD
View
B
Retailer 7
-
HK$41,648 HKD
View
B
Retailer 8
-
HK$41,695 HKD
View
B
Retailer 9
-
HK$43,576 HKD
View
B
Retailer 10
-
HK$43,576 HKD
View
B
Retailer 11
-
HK$45,065 HKD
View
B
Retailer 12
-
HK$52,385 HKD
View
Most Expensive
B
MOH London
BE1C044CB · Nov 4
HK$68,201 HKD
£6,852 GBP
View
12 more retailers have this diamond
Prices start from HK$33,928 HKDSave up to HK$34,273 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+
1.20ct Marquise
HK$33,928 HKD