Radiant|Natural|IGI

1.20ct H SI1 Radiant Natural Diamond

VG • H/SI1 • IGI 788607956

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 788607956

Diamond specifications and retailer prices

From HK$17,916 HKD
As of November 7, 2026
11 retailers carry this diamond
Most expensive: HK$38,184 HKD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 788607956. Listed at 11 retailers as of November 7, 2026. 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
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.2°
Pavilion angle30.4°
OriginNatural
Grading LabIGI
CertificateIGI 788607956
Dimensions7.39 × 5.19 × 3.43 mm
L/W Ratio1.42
Culet sizePointed
Top View
7.39 mm5.19 mm1.20 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 788607956
Side View
Table 67.0%Crown 49.2°Girdle: MediumPavilion 30.4°Culet: NoneDepth 66.1%

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: Nov 7
Current: HK$19,915 HKD|Low: HK$15,448 HKD|High: HK$32,384 HKD|Avg: HK$19,846 HKD|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 7, 2026
Retailer 11HK$15,448 HKD
Retailer 3HK$16,498 HKD
Retailer 9HK$17,861 HKD
Retailer 2HK$17,916 HKD
Retailer 7HK$18,261 HKD
Retailer 10HK$18,261 HKD
Retailer 12HK$19,217 HKD
Retailer 4HK$19,358 HKD
Retailer 1HK$19,915 HKD
Retailer 6HK$22,337 HKD
Retailer 5HK$22,627 HKD
Retailer 8HK$32,384 HKD

14 data points across 12 retailers

11 retailers

A
Cheapest Retailer
-
HK$17,916 HKD
Retailer 2
-
HK$18,261 HKD
View
Price last confirmed 37 days ago
Retailer 3
-
HK$18,261 HKD
View
Price last confirmed 54 days ago
Retailer 4
-
HK$19,108 HKD
View
Price last confirmed 38 days ago
Retailer 5
-
HK$19,217 HKD
View
Price last confirmed 31 days ago
Retailer 6
-
HK$21,075 HKD
View
Price last confirmed 67 days ago
Retailer 7
-
HK$21,075 HKD
View
Price last confirmed 39 days ago
Retailer 8
-
HK$21,075 HKD
View
Price last confirmed 53 days ago
Retailer 9
-
HK$22,337 HKD
View
Price last confirmed 34 days ago
Retailer 10
-
HK$32,384 HKD
View
Price last confirmed 33 days ago
Most Expensive
NZ Jewellers
f1551b3c-2ec5-4180-99e1-896ef5abb9c1 · Sep 30
HK$38,184 HKD
$4,872 USD
View
Price last confirmed 37 days ago
10 more retailers have this diamond
Prices start from HK$17,916 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 Radiant
HK$17,916 HKD