Radiant|Natural|GIA

1.20ct D SI1 Radiant Natural Diamond

VG • D/SI1 • GIA 1555638026

Certificate GIA 1555638026

Diamond specifications and retailer prices

From €2,861 EUR
As of November 4, 2026
Save €2,581 EUR (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €5,442 EUR at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1555638026. Listed at 13 retailers as of November 4, 2026, with prices from €2,861 to €5,442, a €2,581 spread on the same certified stone. Helzberg Diamonds lists it at €5,442. 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
D
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555638026
Dimensions6.94 × 5.34 × 3.65 mm
L/W Ratio1.30
Culet sizeNone
Top View
6.94 mm5.34 mm1.20 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555638026
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €5,442 EUR|Low: €2,861 EUR|High: €5,442 EUR|Avg: €3,682 EUR|+4.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 9€2,861 EUR
Retailer 11€2,909 EUR
Retailer 6€2,931 EUR
Retailer 10€3,058 EUR
Retailer 2€3,304 EUR
Retailer 4€3,446 EUR
Retailer 13€3,651 EUR
Retailer 3€3,704 EUR
Retailer 8€3,815 EUR
Retailer 7€3,970 EUR
Retailer 12€4,826 EUR
Retailer 5€5,178 EUR
Helzberg Diamonds€5,442 EUR

38 data points across 13 retailers

13 retailers€2,861 EUR to €5,442 EUR

A
Cheapest Retailer
-
€2,861 EUR
A
Retailer 2
-
€2,909 EUR
View
A
Retailer 3
-
€2,931 EUR
View
B+
Retailer 4
-
€3,058 EUR
View
B+
Retailer 5
-
€3,304 EUR
View
B+
Retailer 6
-
€3,446 EUR
View
B+
Retailer 7
-
€3,651 EUR
View
B+
Retailer 8
-
€3,704 EUR
View
B+
Retailer 9
-
€3,815 EUR
View
B+
Retailer 10
-
€3,970 EUR
View
B
Retailer 11
-
€4,826 EUR
View
B
Retailer 12
-
€5,178 EUR
View
Most Expensive
B
Helzberg Diamonds
XZRHLLLMJOGIM · Nov 4
€5,442 EUR
$6,076 USD
View
12 more retailers have this diamond
Prices start from €2,861 EURSave up to €2,581 EUR

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
€2,861 EUR