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Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 5553693574

Certificate GIA 5553693574

Diamond specifications and retailer prices

From €2,305 EUR
$2,575 USD
As of November 1, 2026
Save €2,627 EUR (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €4,932 EUR at NZ Jewellers · As of October 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553693574. Listed at 20 retailers as of October 30, 2026, with prices from €2,305 to €4,932, a €2,627 spread on the same certified stone. NZ Jewellers lists it at €4,932. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553693574
Dimensions7.44 × 5.28 × 3.59 mm
L/W Ratio1.41
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.44 mm5.28 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5553693574
Side View
Table 68.0%CrownGirdle: STK-STKPavilionCulet: NoneDepth 68.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €4,932 EUR|Low: €2,043 EUR|High: €5,050 EUR|Avg: €2,755 EUR|-2.3%
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
November 2, 2026
Retailer 11€2,133 EUR
Retailer 9€2,305 EUR
Retailer 4€2,336 EUR
Retailer 6€2,409 EUR
Retailer 3€2,427 EUR
Retailer 10€2,438 EUR
Retailer 5€2,511 EUR
Retailer 16€2,564 EUR
Retailer 18€2,564 EUR
Retailer 17€2,664 EUR
Retailer 2€2,761 EUR
Retailer 13€2,934 EUR
Retailer 7€2,959 EUR
Retailer 8€3,165 EUR
Retailer 19€3,285 EUR
Retailer 15€3,314 EUR
Retailer 14€3,480 EUR
Retailer 12€4,735 EUR
NZ Jewellers€4,932 EUR

22 data points across 19 retailers

20 retailers€2,305 EUR to €4,932 EUR

B+
Cheapest Retailer
-
€2,305 EUR
$2,575 USD
Retailer 2
-
€2,311 EUR
$2,582 USD
View
Price last confirmed 17 days ago
Retailer 3
-
€2,311 EUR
$2,582 USD
View
Price last confirmed 13 days ago
B+
Retailer 4
-
€2,336 EUR
$2,610 USD
View
B+
Retailer 5
-
€2,409 EUR
$2,691 USD
View
B+
Retailer 6
-
€2,427 EUR
$2,711 USD
View
Retailer 7
-
€2,438 EUR
$2,723 USD
View
Price last confirmed 15 days ago
B+
Retailer 8
-
€2,511 EUR
$2,805 USD
View
B+
Retailer 9
-
€2,564 EUR
$2,865 USD
View
B+
Retailer 10
-
€2,664 EUR
$2,976 USD
View
Retailer 11
-
€2,706 EUR
A$4,652 AUD
View
Price last confirmed 25 days ago
B
Retailer 12
-
€2,761 EUR
£2,429 GBP
View
B
Retailer 13
-
€2,934 EUR
£2,581 GBP
View
B
Retailer 14
-
€2,956 EUR
$3,303 USD
View
B
Retailer 15
-
€2,959 EUR
$3,306 USD
View
B
Retailer 16
-
€3,165 EUR
$3,536 USD
View
B
Retailer 17
-
€3,314 EUR
View
B
Retailer 18
-
€3,480 EUR
ZAR 62,805 ZAR
View
B
Retailer 19
-
€4,735 EUR
£4,165 GBP
View
Most Expensive
B
NZ Jewellers
ffc4360b-9be8-481a-9984-68ecb1bbfab8 · Oct 30
€4,932 EUR
$5,510 USD
View
19 more retailers have this diamond
Prices start from €2,305 EURSave up to €2,627 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.

B+
1.20ct Radiant
€2,305 EUR