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Marquise|Natural|GIA

1.20ct I SI1 Marquise Natural Diamond

VG • I/SI1 • GIA 1563074038

Certificate GIA 1563074038

Diamond specifications and retailer prices

From HK$28,755 HKD
As of November 4, 2026
Save HK$22,775 HKD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$51,531 HKD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

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 SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1563074038. Listed at 14 retailers as of November 4, 2026, with prices from HK$28,755 to HK$51,531, a HK$22,775 spread on the same certified stone. Helzberg Diamonds lists it at HK$51,531. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
I
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.82°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1563074038
Dimensions10.56 × 5.39 × 3.53 mm
L/W Ratio1.96
Culet sizeNone
Top View
10.56 mm5.39 mm1.20 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563074038
Side View
Table 58.0%Crown 39.82°Girdle: STK-VTKPavilion 41°Culet: NoneDepth 65.6%

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 4
Current: HK$51,531 HKD|Low: HK$28,755 HKD|High: HK$54,760 HKD|Avg: HK$37,638 HKD|-5.9%
Helzberg Diamonds
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
November 7, 2026
Retailer 11HK$28,755 HKD
Retailer 13HK$29,210 HKD
Retailer 10HK$30,056 HKD
Retailer 6HK$30,119 HKD
Retailer 9HK$30,730 HKD
Retailer 5HK$31,381 HKD
Retailer 2HK$33,176 HKD
Retailer 3HK$36,428 HKD
Retailer 4HK$36,703 HKD
Retailer 8HK$36,961 HKD
Retailer 7HK$39,892 HKD
Retailer 12HK$48,498 HKD
Retailer 14HK$51,194 HKD
Helzberg DiamondsHK$51,531 HKD

26 data points across 14 retailers

14 retailersHK$28,755 HKD to HK$51,531 HKD

B+
Cheapest Retailer
-
HK$28,755 HKD
B+
Retailer 2
-
HK$29,210 HKD
View
B+
Retailer 3
-
HK$30,056 HKD
View
B+
Retailer 4
-
HK$30,119 HKD
View
B+
Retailer 5
-
HK$30,730 HKD
View
B+
Retailer 6
-
HK$31,381 HKD
View
B
Retailer 7
-
HK$33,176 HKD
View
B
Retailer 8
-
HK$36,428 HKD
View
B
Retailer 9
-
HK$36,703 HKD
View
B
Retailer 10
-
HK$36,961 HKD
View
B
Retailer 11
-
HK$39,892 HKD
View
B
Retailer 12
-
HK$48,498 HKD
View
B
Retailer 13
-
HK$51,194 HKD
View
Most Expensive
B
Helzberg Diamonds
XZRHLMJGNKGJO · Nov 6
HK$51,531 HKD
$6,575 USD
View
13 more retailers have this diamond
Prices start from HK$28,755 HKDSave up to HK$22,775 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$28,755 HKD