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Marquise|Natural|GIA

1.20ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 6545918778

Certificate GIA 6545918778

Diamond specifications and retailer prices

From HK$28,136 HKD
As of November 5, 2026
Save HK$32,281 HKD (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$60,418 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545918778. Listed at 21 retailers as of November 4, 2026, with prices from HK$28,136 to HK$60,418, a HK$32,281 spread on the same certified stone. MOH London lists it at HK$60,418. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545918778
Dimensions10.36 × 5.54 × 3.53 mm
L/W Ratio1.87
Top View
10.36 mm5.54 mm1.20 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545918778
Side View
Table 63.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 63.8%

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 5
Current: HK$60,418 HKD|Low: HK$28,136 HKD|High: HK$64,429 HKD|Avg: HK$38,521 HKD|-5.2%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 18HK$28,136 HKD
Retailer 7HK$29,719 HKD
Retailer 13HK$30,017 HKD
Retailer 5HK$30,315 HKD
Retailer 8HK$30,393 HKD
Retailer 15HK$31,451 HKD
Retailer 6HK$31,796 HKD
Retailer 12HK$32,024 HKD
Retailer 4HK$34,257 HKD
Retailer 19HK$35,025 HKD
Retailer 10HK$36,162 HKD
Retailer 17HK$37,228 HKD
Retailer 14HK$37,400 HKD
Retailer 9HK$38,795 HKD
Retailer 20HK$38,795 HKD
Retailer 3HK$40,049 HKD
Retailer 16HK$40,386 HKD
Retailer 2HK$41,068 HKD
Retailer 11HK$55,034 HKD
MOH LondonHK$60,418 HKD

23 data points across 20 retailers

21 retailersHK$28,136 HKD to HK$60,418 HKD

A
Cheapest Retailer
-
HK$28,136 HKD
B+
Retailer 2
-
HK$29,234 HKD
View
B+
Retailer 3
-
HK$29,719 HKD
View
B+
Retailer 4
-
HK$30,017 HKD
View
B+
Retailer 5
-
HK$30,315 HKD
View
B+
Retailer 6
-
HK$30,393 HKD
View
B+
Retailer 7
-
HK$31,444 HKD
View
B+
Retailer 8
-
HK$31,451 HKD
View
B+
Retailer 9
-
HK$31,796 HKD
View
Final sale: no returns
B+
Retailer 10
-
HK$34,257 HKD
View
B+
Retailer 11
-
HK$35,025 HKD
View
B
Retailer 12
-
HK$36,162 HKD
View
B+
Retailer 13
-
HK$37,228 HKD
View
B+
Retailer 14
-
HK$37,400 HKD
View
B+
Retailer 15
-
HK$38,795 HKD
View
B+
Retailer 16
-
HK$38,795 HKD
View
B
Retailer 17
-
HK$40,049 HKD
View
B+
Retailer 18
-
HK$40,386 HKD
View
Retailer 19
-
HK$41,068 HKD
View
B
Retailer 20
-
HK$55,034 HKD
View
Most Expensive
B
MOH London
DF1557164 · Nov 4
HK$60,418 HKD
£6,070 GBP
View
20 more retailers have this diamond
Prices start from HK$28,136 HKDSave up to HK$32,281 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$28,136 HKD