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Radiant|Natural|GIA

1.20ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 6565507610

Certificate GIA 6565507610

Diamond specifications and retailer prices

From €1,398 EUR
HK$12,200 HKD
As of November 1, 2026
Save €2,806 EUR (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €4,204 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 J 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 6565507610. Listed at 16 retailers as of October 30, 2026, with prices from €1,398 to €4,204, a €2,806 spread on the same certified stone. NZ Jewellers lists it at €4,204. 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
J
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6565507610
Dimensions6.90 × 5.30 × 3.70 mm
L/W Ratio1.30
Girdle conditionPolished
Top View
6.90 mm5.30 mm1.20 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565507610
Side View
Table 64.0%CrownGirdle: THK-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 1
Current: €4,204 EUR|Low: €1,398 EUR|High: €4,355 EUR|Avg: €2,295 EUR|-3.5%
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
November 1, 2026
Retailer 2€1,398 EUR
Retailer 3€1,566 EUR
Retailer 4€1,787 EUR
Retailer 13€1,846 EUR
Retailer 11€1,877 EUR
Retailer 10€1,950 EUR
Retailer 8€1,963 EUR
Retailer 6€1,987 EUR
Retailer 9€1,994 EUR
Retailer 7€2,018 EUR
Retailer 12€2,121 EUR
Retailer 14€2,472 EUR
Retailer 15€2,598 EUR
Retailer 5€2,930 EUR
Retailer 16€3,542 EUR
NZ Jewellers€4,204 EUR

17 data points across 16 retailers

16 retailers€1,398 EUR to €4,204 EUR

A
Cheapest Retailer
-
€1,398 EUR
HK$12,200 HKD
A
Retailer 2
-
€1,566 EUR
$1,750 USD
View
B+
Retailer 3
-
€1,787 EUR
$1,996 USD
View
B+
Retailer 4
-
€1,846 EUR
$2,062 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,877 EUR
£1,651 GBP
View
B+
Retailer 6
-
€1,950 EUR
£1,716 GBP
View
B+
Retailer 7
-
€1,963 EUR
SGD 2,964 SGD
View
B+
Retailer 8
-
€1,987 EUR
$2,220 USD
View
B+
Retailer 9
-
€1,994 EUR
$2,228 USD
View
B+
Retailer 10
-
€2,018 EUR
$2,255 USD
View
B+
Retailer 11
-
€2,121 EUR
$2,370 USD
View
B+
Retailer 12
-
€2,472 EUR
ZAR 44,617 ZAR
View
B
Retailer 13
-
€2,598 EUR
View
B
Retailer 14
-
€2,930 EUR
$3,273 USD
View
B
Retailer 15
-
€3,542 EUR
£3,116 GBP
View
Most Expensive
B
NZ Jewellers
af07e346-e64d-4d8c-b76f-538465fdd05d · Oct 30
€4,204 EUR
$4,697 USD
View
15 more retailers have this diamond
Prices start from €1,398 EURSave up to €2,806 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
€1,398 EUR