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Radiant|Natural|GIA

1.20ct H SI2 Radiant Natural Diamond

VG • H/SI2 • GIA 1563045421

Certificate GIA 1563045421

Diamond specifications and retailer prices

From $2,773 AUD
As of November 4, 2026
Save $3,360 AUD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,133 AUD at MOH London · As of November 7, 2026
View at MOH London

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 SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1563045421. Listed at 14 retailers as of November 4, 2026, with prices from $2,773 to $6,133, a $3,360 spread on the same certified stone. MOH London lists it at $6,133. 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
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1563045421
Dimensions7.04 × 5.23 × 3.65 mm
L/W Ratio1.35
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Indented Natural, Feather, Knot, Cloud, Cavity, Needle, Natural
Top View
7.04 mm5.23 mm1.20 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1563045421
Side View
Table 64.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 69.8%

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 4
Current: $6,133 AUD|Low: $2,773 AUD|High: $6,384 AUD|Avg: $3,713 AUD|-3.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 6$2,773 AUD
Retailer 2$2,941 AUD
Retailer 10$3,138 AUD
Retailer 8$3,174 AUD
Retailer 7$3,267 AUD
Retailer 3$3,459 AUD
Retailer 5$3,723 AUD
Retailer 9$3,769 AUD
Retailer 4$4,145 AUD
MOH London$6,133 AUD

29 data points across 10 retailers

14 retailers$2,773 AUD to $6,133 AUD

A
Cheapest Retailer
-
$2,773 AUD
A
Retailer 2
-
$2,941 AUD
View
Final sale: no returns
A
Retailer 3
-
$3,138 AUD
View
A
Retailer 4
-
$3,174 AUD
View
A
Retailer 5
-
$3,267 AUD
View
B+
Retailer 6
-
$3,459 AUD
View
B+
Retailer 7
-
$3,535 AUD
View
Retailer 8
-
$3,601 AUD
View
Price last confirmed 30 days ago
Retailer 9
-
$3,601 AUD
View
Price last confirmed 31 days ago
B+
Retailer 10
-
$3,723 AUD
View
B+
Retailer 11
-
$3,769 AUD
View
Retailer 12
-
$3,852 AUD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$4,145 AUD
View
Most Expensive
B
MOH London
2EB7184FF · Nov 7
$6,133 AUD
£3,318 GBP
View
13 more retailers have this diamond
Prices start from $2,773 AUDSave up to $3,360 AUD

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
$2,773 AUD