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Marquise|Natural|GIA

1.20ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2567792143

Certificate GIA 2567792143

Diamond specifications and retailer prices

From HK$27,987 HKD
As of November 6, 2026
Save HK$31,296 HKD (53%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$59,283 HKD at MOH London · As of November 7, 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 G 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 2567792143. Listed at 12 retailers as of November 6, 2026, with prices from HK$27,987 to HK$59,283, a HK$31,296 spread on the same certified stone. MOH London lists it at HK$59,283. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2567792143
Dimensions10.50 × 5.50 × 3.48 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
10.50 mm5.50 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2567792143
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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$59,283 HKD|Low: HK$27,987 HKD|High: HK$59,283 HKD|Avg: HK$37,896 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 8HK$27,987 HKD
Retailer 7HK$29,155 HKD
Retailer 5HK$34,547 HKD
Retailer 4HK$35,307 HKD
Retailer 9HK$36,303 HKD
Retailer 2HK$36,844 HKD
Retailer 6HK$38,090 HKD
Retailer 10HK$38,599 HKD
Retailer 11HK$43,184 HKD
Retailer 3HK$45,661 HKD
MOH LondonHK$59,283 HKD

3 data points across 11 retailers

12 retailersHK$27,987 HKD to HK$59,283 HKD

A
Cheapest Retailer
-
HK$27,987 HKD
B+
Retailer 2
-
HK$29,155 HKD
View
B+
Retailer 3
-
HK$32,173 HKD
View
B+
Retailer 4
-
HK$34,547 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$35,307 HKD
View
B
Retailer 6
-
HK$36,303 HKD
View
B
Retailer 7
-
HK$36,844 HKD
View
B+
Retailer 8
-
HK$38,090 HKD
View
B+
Retailer 9
-
HK$38,599 HKD
View
B
Retailer 10
-
HK$43,184 HKD
View
B
Retailer 11
-
HK$45,661 HKD
View
Most Expensive
B
MOH London
7CEE5CF2E · Nov 7
HK$59,283 HKD
£5,956 GBP
View
11 more retailers have this diamond
Prices start from HK$27,987 HKDSave up to HK$31,296 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.

A
1.20ct Marquise
HK$27,987 HKD