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Marquise|Natural|GIA

1.20ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6542897393

Certificate GIA 6542897393

Diamond specifications and retailer prices

From HK$31,318 HKD
As of November 6, 2026
Save HK$39,524 HKD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$70,842 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 6542897393. Listed at 19 retailers as of November 5, 2026, with prices from HK$31,318 to HK$70,842, a HK$39,524 spread on the same certified stone. NZ Jewellers lists it at HK$70,842. 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
Crown angle36.57°
Pavilion angle40.33°
OriginNatural
Grading LabGIA
CertificateGIA 6542897393
Dimensions9.88 × 5.55 × 3.62 mm
L/W Ratio1.78
Top View
9.88 mm5.55 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542897393
Side View
Table 58.0%Crown 36.57°Girdle: Thick - Very ThickPavilion 40.33°Culet: NoneDepth 65.2%

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$70,842 HKD|Low: HK$31,318 HKD|High: HK$70,842 HKD|Avg: HK$44,077 HKD
NZ Jewellers
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 7, 2026
Retailer 15HK$31,318 HKD
Retailer 5HK$32,760 HKD
Retailer 8HK$33,458 HKD
Retailer 9HK$34,579 HKD
Retailer 7HK$35,417 HKD
Retailer 6HK$36,130 HKD
Retailer 11HK$38,035 HKD
Retailer 4HK$38,372 HKD
Retailer 17HK$38,372 HKD
Retailer 20HK$38,372 HKD
Retailer 2HK$40,919 HKD
Retailer 13HK$41,084 HKD
Retailer 10HK$43,490 HKD
Retailer 18HK$44,273 HKD
Retailer 12HK$46,742 HKD
Retailer 19HK$47,738 HKD
Retailer 14HK$51,672 HKD
Retailer 3HK$61,908 HKD
Retailer 16HK$67,268 HKD
NZ JewellersHK$70,842 HKD

20 data points across 20 retailers

19 retailersHK$31,318 HKD to HK$70,842 HKD

B+
Cheapest Retailer
-
HK$31,318 HKD
Retailer 2
-
HK$32,760 HKD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
HK$33,458 HKD
View
Retailer 4
-
HK$34,579 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$35,417 HKD
View
Final sale: no returns
B
Retailer 6
-
HK$36,130 HKD
View
B+
Retailer 7
-
HK$38,035 HKD
View
B+
Retailer 8
-
HK$38,372 HKD
View
Retailer 9
-
HK$38,372 HKD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
HK$38,372 HKD
View
B+
Retailer 11
-
HK$40,919 HKD
View
B+
Retailer 12
-
HK$41,084 HKD
View
B
Retailer 13
-
HK$43,490 HKD
View
B
Retailer 14
-
HK$44,273 HKD
View
B
Retailer 15
-
HK$47,738 HKD
View
B
Retailer 16
-
HK$51,672 HKD
View
Retailer 17
-
HK$61,908 HKD
View
Price last confirmed 10 days ago
B
Retailer 18
-
HK$67,268 HKD
View
Most Expensive
B
NZ Jewellers
bfcf407f-f0da-4af0-9378-9ff0602b0a3e · Nov 5
HK$70,842 HKD
$9,039 USD
View
18 more retailers have this diamond
Prices start from HK$31,318 HKDSave up to HK$39,524 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$31,318 HKD