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Round|Natural|GIA

1.20ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1559111338

Certificate GIA 1559111338

Diamond specifications and retailer prices

From HK$16,671 HKD
As of October 30, 2026
Save HK$29,760 HKD (64%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$46,431 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559111338. Listed at 22 retailers as of October 30, 2026, with prices from HK$16,671 to HK$46,431, a HK$29,760 spread on the same certified stone. NZ Jewellers lists it at HK$46,431. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1559111338
Dimensions6.76 × 6.78 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.76 mm6.78 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1559111338
Side View
Table 60.0%Crown 34°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.1%

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 30
Current: HK$46,431 HKD|Low: HK$16,671 HKD|High: HK$48,220 HKD|Avg: HK$23,757 HKD|-3.7%
NZ Jewellers
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
Retailer 21
Retailer 22
October 31, 2026
Retailer 11HK$16,671 HKD
Retailer 14HK$17,614 HKD
Retailer 18HK$18,092 HKD
Retailer 7HK$18,178 HKD
Retailer 8HK$18,532 HKD
Retailer 9HK$18,571 HKD
Retailer 20HK$19,536 HKD
Retailer 6HK$20,124 HKD
Retailer 12HK$20,124 HKD
Retailer 16HK$20,548 HKD
Retailer 10HK$21,050 HKD
Retailer 22HK$21,058 HKD
Retailer 3HK$22,203 HKD
Retailer 5HK$22,203 HKD
Retailer 19HK$22,988 HKD
Retailer 4HK$23,215 HKD
Retailer 2HK$23,603 HKD
Retailer 13HK$26,065 HKD
Retailer 15HK$26,785 HKD
Retailer 21HK$27,185 HKD
Retailer 17HK$39,119 HKD
NZ JewellersHK$46,431 HKD

22 data points across 22 retailers

22 retailersHK$16,671 HKD to HK$46,431 HKD

A
Cheapest Retailer
-
HK$16,671 HKD
A
Retailer 2
-
HK$17,614 HKD
$2,245 USD
View
A
Retailer 3
-
HK$18,092 HKD
$2,306 USD
View
A
Retailer 4
-
HK$18,178 HKD
$2,317 USD
View
A
Retailer 5
-
HK$18,532 HKD
$2,362 USD
View
A
Retailer 6
-
HK$18,571 HKD
$2,367 USD
View
Final sale: no returns
A
Retailer 7
-
HK$19,536 HKD
$2,490 USD
View
A
Retailer 8
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HK$20,124 HKD
$2,565 USD
View
A
Retailer 9
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HK$20,124 HKD
$2,565 USD
View
A
Retailer 10
-
HK$20,548 HKD
£2,062 GBP
View
A
Retailer 11
-
HK$21,050 HKD
$2,683 USD
View
A
Retailer 12
-
HK$21,058 HKD
$2,684 USD
View
A
Retailer 13
-
HK$22,203 HKD
$2,830 USD
View
A
Retailer 14
-
HK$22,203 HKD
$2,830 USD
View
A
Retailer 15
-
HK$22,988 HKD
$2,930 USD
View
A
Retailer 16
-
HK$23,215 HKD
$2,959 USD
View
A
Retailer 17
-
HK$23,603 HKD
£2,369 GBP
View
B+
Retailer 18
-
HK$26,065 HKD
€3,164 EUR
View
Retailer 19
-
HK$26,785 HKD
$3,414 USD
View
Price last confirmed 8 days ago
B+
Retailer 20
-
HK$27,185 HKD
$3,465 USD
View
B
Retailer 21
-
HK$39,119 HKD
£3,926 GBP
View
Most Expensive
B
NZ Jewellers
28dc1c68-bee1-46b5-9d7a-18305e71e55d · Oct 30
HK$46,431 HKD
$5,918 USD
View
21 more retailers have this diamond
Prices start from HK$16,671 HKDSave up to HK$29,760 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$16,671 HKD