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Marquise|Natural|GIA

1.20ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 7551514553

Certificate GIA 7551514553

Diamond specifications and retailer prices

From HK$22,329 HKD
As of November 5, 2026
Save HK$25,613 HKD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$47,941 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551514553. Listed at 14 retailers as of November 5, 2026, with prices from HK$22,329 to HK$47,941, a HK$25,613 spread on the same certified stone. NZ Jewellers lists it at HK$47,941. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551514553
Dimensions10.58 × 5.54 × 3.42 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Top View
10.58 mm5.54 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7551514553
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 61.7%

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 5
Current: HK$26,694 HKD|Low: HK$22,329 HKD|High: HK$46,570 HKD|Avg: HK$29,299 HKD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7HK$22,329 HKD
Retailer 6HK$22,337 HKD
Retailer 8HK$23,410 HKD
Retailer 9HK$25,887 HKD
Retailer 1HK$26,694 HKD
Retailer 3HK$28,301 HKD
Retailer 2HK$30,158 HKD
Retailer 4HK$33,583 HKD
Retailer 5HK$45,888 HKD

41 data points across 9 retailers

14 retailersHK$22,329 HKD to HK$47,941 HKD

B+
Cheapest Retailer
-
HK$22,329 HKD
B+
Retailer 2
-
HK$22,337 HKD
View
B+
Retailer 3
-
HK$23,410 HKD
View
B
Retailer 4
-
HK$24,931 HKD
View
Retailer 5
-
HK$24,931 HKD
View
Price last confirmed 8 days ago
B
Retailer 6
-
HK$25,887 HKD
View
B+
Retailer 7
-
HK$26,694 HKD
View
B
Retailer 8
-
HK$28,301 HKD
View
B
Retailer 9
-
HK$28,763 HKD
View
B
Retailer 10
-
HK$30,158 HKD
View
Retailer 11
-
HK$31,177 HKD
View
Price last confirmed 14 days ago
B
Retailer 12
-
HK$33,583 HKD
View
B
Retailer 13
-
HK$45,888 HKD
View
Most Expensive
C
NZ Jewellers
e008bd19-801b-4e79-8965-be14f37f4664 · Nov 5
HK$47,941 HKD
$6,117 USD
View
13 more retailers have this diamond
Prices start from HK$22,329 HKDSave up to HK$25,613 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$22,329 HKD