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Marquise|Natural|GIA

1.20ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2566156667

Certificate GIA 2566156667

Diamond specifications and retailer prices

From HK$19,139 HKD
As of November 5, 2026
Save HK$14,422 HKD (43%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$33,561 HKD at Wholesale Diamonds Direct · As of November 3, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566156667. Listed at 10 retailers as of November 3, 2026, with prices from HK$19,139 to HK$33,561, a HK$14,422 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$33,561. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle37.99°
Pavilion angle37.89°
OriginNatural
Grading LabGIA
CertificateGIA 2566156667
Dimensions10.60 × 5.54 × 3.31 mm
L/W Ratio1.91
Culet sizeNone
Top View
10.60 mm5.54 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2566156667
Side View
Table 61.0%Crown 37.99°Girdle: VTN-THKPavilion 37.89°Culet: NoneDepth 59.8%

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$31,663 HKD|Low: HK$19,029 HKD|High: HK$35,589 HKD|Avg: HK$24,803 HKD|+19.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 6, 2026
Retailer 2HK$19,139 HKD
Retailer 5HK$20,322 HKD
Retailer 9HK$21,937 HKD
Retailer 4HK$22,321 HKD
Retailer 8HK$22,509 HKD
Retailer 6HK$24,453 HKD
Retailer 7HK$25,080 HKD
Retailer 3HK$25,926 HKD
Retailer 1HK$31,663 HKD
Wholesale Diamonds DirectHK$33,561 HKD

34 data points across 10 retailers

10 retailersHK$19,139 HKD to HK$33,561 HKD

A
Cheapest Retailer
-
HK$19,139 HKD
A
Retailer 2
-
HK$20,322 HKD
View
B+
Retailer 3
-
HK$21,937 HKD
View
A
Retailer 4
-
HK$22,321 HKD
View
A
Retailer 5
-
HK$22,509 HKD
View
B+
Retailer 6
-
HK$24,453 HKD
View
B+
Retailer 7
-
HK$25,080 HKD
View
B+
Retailer 8
-
HK$25,926 HKD
View
B
Retailer 9
-
HK$31,663 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
348918947 · Nov 3
HK$33,561 HKD
$4,282 USD
View
9 more retailers have this diamond
Prices start from HK$19,139 HKDSave up to HK$14,422 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$19,139 HKD