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Marquise|Natural|GIA

1.20ct K SI2 Marquise Natural Diamond

EX • K/SI2

Diamond specifications and retailer prices

From HK$17,650 HKD
As of November 6, 2026
Save HK$29,241 HKD (62%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$46,891 HKD at NZ Jewellers · As of October 21, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 14 retailers as of November 5, 2026, with a 166% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions9.88 × 5.42 × 3.67 mm
L/W Ratio1.82
Top View
9.88 mm5.42 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.7%

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$46,891 HKD|Low: HK$17,556 HKD|High: HK$46,891 HKD|Avg: HK$23,813 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 26, 2026
Retailer 9HK$17,556 HKD
Retailer 10HK$17,650 HKD
Retailer 2HK$20,322 HKD
Retailer 4HK$20,322 HKD
Retailer 6HK$20,377 HKD
Retailer 8HK$21,255 HKD
Retailer 3HK$21,772 HKD
Retailer 7HK$22,642 HKD
Retailer 5HK$23,442 HKD
NZ JewellersHK$46,891 HKD

9 data points across 10 retailers

14 retailersHK$17,650 HKD to HK$46,891 HKD

Retailer 1
-
HK$17,556 HKD
Price last confirmed 16 days ago
B+
Retailer 2
-
HK$17,650 HKD
View
Retailer 3
-
HK$20,322 HKD
View
Price last confirmed 8 days ago
Retailer 4
-
HK$20,322 HKD
View
Price last confirmed 15 days ago
B+
Retailer 5
-
HK$20,322 HKD
View
B+
Retailer 6
-
HK$20,377 HKD
View
B+
Retailer 7
-
HK$21,255 HKD
View
B
Retailer 8
-
HK$21,772 HKD
View
Retailer 9
-
HK$21,772 HKD
View
Price last confirmed 15 days ago
B
Retailer 10
-
HK$22,642 HKD
View
B
Retailer 11
-
HK$23,442 HKD
View
Retailer 12
-
HK$23,442 HKD
View
Price last confirmed 16 days ago
C
Retailer 13
-
HK$46,891 HKD
View
Most Expensive
NZ Jewellers
30410b4d-316e-480d-9828-bf820fcc16cf · Oct 21
HK$46,891 HKD
$5,983 USD
View
Price last confirmed 16 days ago
13 more retailers have this diamond
Prices start from HK$17,650 HKDSave up to HK$29,241 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$17,650 HKD