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Radiant|Natural|GIA

1.20ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 1553461798

Certificate GIA 1553461798

Diamond specifications and retailer prices

From €1,763 EUR
£1,550 GBP
As of November 2, 2026
Save €2,586 EUR (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €4,348 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553461798. Listed at 6 retailers as of October 30, 2026, with prices from €1,763 to €4,348, a €2,586 spread on the same certified stone. NZ Jewellers lists it at €4,348. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle49.79°
Pavilion angle35.66°
OriginNatural
Grading LabGIA
CertificateGIA 1553461798
Dimensions6.87 × 5.29 × 3.68 mm
L/W Ratio1.30
Girdle conditionThick
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
6.87 mm5.29 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553461798
Side View
Table 68.0%Crown 49.79°GirdlePavilion 35.66°Culet: NoneDepth 69.5%

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 2
Current: €4,348 EUR|Low: €1,762 EUR|High: €4,392 EUR|Avg: €2,379 EUR|+14.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2€1,763 EUR
Retailer 4€1,783 EUR
Retailer 7€1,793 EUR
Retailer 5€1,808 EUR
Retailer 6€1,865 EUR
Retailer 3€3,140 EUR
NZ Jewellers€4,348 EUR

33 data points across 7 retailers

6 retailers€1,763 EUR to €4,348 EUR

A
Cheapest Retailer
-
€1,763 EUR
£1,550 GBP
A
Retailer 2
-
€1,783 EUR
$1,992 USD
View
A
Retailer 3
-
€1,808 EUR
$2,020 USD
View
A
Retailer 4
-
€1,865 EUR
$2,084 USD
View
B+
Retailer 5
-
€3,140 EUR
£2,762 GBP
View
Most Expensive
B
NZ Jewellers
042af03c-3293-4a73-9bac-913e42e0b87f · Oct 30
€4,348 EUR
$4,858 USD
View
5 more retailers have this diamond
Prices start from €1,763 EURSave up to €2,586 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
€1,763 EUR