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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 $1,905 USD
As of November 4, 2026
Save $2,320 USD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,225 USD at MOH London · As of November 4, 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 $1,905 to $4,225, a $2,320 spread on the same certified stone. MOH London lists it at $4,225. 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
Color
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: $4,225 USD|Low: $1,905 USD|High: $4,387 USD|Avg: $2,551 USD|-3.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$1,905 USD
Retailer 2$2,021 USD
Retailer 10$2,156 USD
Retailer 8$2,181 USD
Retailer 7$2,245 USD
Retailer 3$2,377 USD
Retailer 5$2,558 USD
Retailer 9$2,590 USD
Retailer 4$2,848 USD
MOH London$4,225 USD

28 data points across 10 retailers

14 retailers$1,905 USD to $4,225 USD

A
Cheapest Retailer
-
$1,905 USD
A
Retailer 2
-
$2,021 USD
View
Final sale: no returns
A
Retailer 3
-
$2,156 USD
View
A
Retailer 4
-
$2,181 USD
View
A
Retailer 5
-
$2,245 USD
View
B+
Retailer 6
-
$2,377 USD
View
B+
Retailer 7
-
$2,429 USD
View
Retailer 8
-
$2,474 USD
View
Price last confirmed 30 days ago
Retailer 9
-
$2,474 USD
View
Price last confirmed 31 days ago
B+
Retailer 10
-
$2,558 USD
View
B+
Retailer 11
-
$2,590 USD
View
Retailer 12
-
$2,647 USD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$2,848 USD
View
Most Expensive
B
MOH London
2EB7184FF · Nov 4
$4,225 USD
£3,327 GBP
View
13 more retailers have this diamond
Prices start from $1,905 USDSave up to $2,320 USD

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
$1,905 USD