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Marquise|Natural|GIA

1.20ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 2566588407

Certificate GIA 2566588407

Diamond specifications and retailer prices

From HK$39,422 HKD
As of November 5, 2026
Save HK$30,926 HKD (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$70,349 HKD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566588407. Listed at 15 retailers as of November 5, 2026, with prices from HK$39,422 to HK$70,349, a HK$30,926 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$70,349. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.73°
Pavilion angle39.25°
OriginNatural
Grading LabGIA
CertificateGIA 2566588407
Dimensions10.89 × 5.44 × 3.36 mm
L/W Ratio2.00
Culet sizeNone
Top View
10.89 mm5.44 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566588407
Side View
Table 57.0%Crown 39.73°Girdle: MED-THKPavilion 39.25°Culet: NDepth 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$44,289 HKD|Low: HK$39,422 HKD|High: HK$70,349 HKD|Avg: HK$50,100 HKD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 7, 2026
Retailer 9HK$39,422 HKD
Retailer 13HK$39,853 HKD
Retailer 4HK$41,021 HKD
Retailer 2HK$41,813 HKD
Retailer 12HK$41,969 HKD
Retailer 8HK$43,239 HKD
Retailer 1HK$44,289 HKD
Retailer 7HK$49,164 HKD
Retailer 5HK$49,235 HKD
Retailer 11HK$49,391 HKD
Retailer 6HK$54,964 HKD
Retailer 10HK$66,822 HKD
Retailer 3HK$68,358 HKD
Wholesale Diamonds DirectHK$70,349 HKD

23 data points across 14 retailers

15 retailersHK$39,422 HKD to HK$70,349 HKD

B+
Cheapest Retailer
-
HK$39,422 HKD
B+
Retailer 2
-
HK$39,853 HKD
View
Retailer 3
-
HK$40,355 HKD
View
Price last confirmed 11 days ago
B+
Retailer 4
-
HK$41,021 HKD
View
B+
Retailer 5
-
HK$41,813 HKD
View
B+
Retailer 6
-
HK$41,969 HKD
View
B
Retailer 7
-
HK$43,239 HKD
View
B+
Retailer 8
-
HK$44,289 HKD
View
B
Retailer 9
-
HK$49,164 HKD
View
B
Retailer 10
-
HK$49,235 HKD
View
B
Retailer 11
-
HK$49,391 HKD
View
B
Retailer 12
-
HK$54,964 HKD
View
B
Retailer 13
-
HK$66,822 HKD
View
B
Retailer 14
-
HK$68,358 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
661914535 · Nov 6
HK$70,349 HKD
$8,976 USD
View
14 more retailers have this diamond
Prices start from HK$39,422 HKDSave up to HK$30,926 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$39,422 HKD