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Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1559756383

Certificate GIA 1559756383

Diamond specifications and retailer prices

From HK$18,521 HKD
SGD 3,190 SGD
As of October 31, 2026
Save HK$19,468 HKD (51%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$37,989 HKD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559756383. Listed at 12 retailers as of October 26, 2026, with prices from HK$18,521 to HK$37,989, a HK$19,468 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$37,989. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1559756383
Dimensions6.71 × 4.25 × 4.25 mm
L/W Ratio1.58
Culet sizeNone
Top View
6.71 mm4.25 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559756383
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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: Oct 31
Current: HK$28,207 HKD|Low: HK$18,521 HKD|High: HK$40,273 HKD|Avg: HK$28,321 HKD|-3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 29, 2026
Retailer 7HK$18,521 HKD
Retailer 6HK$22,399 HKD
Retailer 4HK$22,674 HKD
Retailer 3HK$24,563 HKD
Retailer 10HK$25,325 HKD
Retailer 8HK$25,577 HKD
Retailer 9HK$27,791 HKD
Retailer 1HK$28,207 HKD
Retailer 5HK$28,796 HKD
Retailer 2HK$35,463 HKD
Wholesale Diamonds DirectHK$37,989 HKD

43 data points across 11 retailers

12 retailersHK$18,521 HKD to HK$37,989 HKD

A
Cheapest Retailer
-
HK$18,521 HKD
SGD 3,190 SGD
A
Retailer 2
-
HK$22,399 HKD
$2,855 USD
View
A
Retailer 3
-
HK$22,674 HKD
$2,890 USD
View
A
Retailer 4
-
HK$24,563 HKD
£2,465 GBP
View
A
Retailer 5
-
HK$25,325 HKD
SGD 4,362 SGD
View
A
Retailer 6
-
HK$25,577 HKD
$3,260 USD
View
B+
Retailer 7
-
HK$27,791 HKD
$3,542 USD
View
B+
Retailer 8
-
HK$28,207 HKD
€3,424 EUR
View
B+
Retailer 9
-
HK$28,796 HKD
£2,890 GBP
View
B+
Retailer 10
-
HK$31,351 HKD
$3,996 USD
View
B+
Retailer 11
-
HK$35,463 HKD
$4,520 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
262900585 · Oct 26
HK$37,989 HKD
$4,842 USD
View
11 more retailers have this diamond
Prices start from HK$18,521 HKDSave up to HK$19,468 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 Round
HK$18,521 HKD