Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 2447669421

Certificate GIA 2447669421

Diamond specifications and retailer prices

From €2,945 EUR
$3,290 USD
As of October 30, 2026
Save €3,435 EUR (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €6,380 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 2447669421. Listed at 17 retailers as of October 30, 2026, with prices from €2,945 to €6,380, a €3,435 spread on the same certified stone. NZ Jewellers lists it at €6,380. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2447669421
Dimensions6.83 × 5.30 × 3.65 mm
L/W Ratio1.29
Top View
6.83 mm5.30 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2447669421
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.9%

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: Oct 30
Current: €4,501 EUR|Low: €3,116 EUR|High: €6,198 EUR|Avg: €4,053 EUR|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7€3,116 EUR
Retailer 9€3,445 EUR
Retailer 4€3,583 EUR
Retailer 2€3,715 EUR
Retailer 5€3,762 EUR
Retailer 8€3,926 EUR
Retailer 3€4,145 EUR
Retailer 1€4,501 EUR
Retailer 6€6,157 EUR

39 data points across 9 retailers

17 retailers€2,945 EUR to €6,380 EUR

B+
Cheapest Retailer
-
€2,945 EUR
$3,290 USD
B+
Retailer 2
-
€3,116 EUR
$3,481 USD
View
B
Retailer 3
-
€3,317 EUR
$3,706 USD
View
B
Retailer 4
-
€3,445 EUR
$3,849 USD
View
B
Retailer 5
-
€3,583 EUR
£3,152 GBP
View
B
Retailer 6
-
€3,715 EUR
£3,268 GBP
View
B
Retailer 7
-
€3,750 EUR
$4,190 USD
View
B
Retailer 8
-
€3,750 EUR
$4,190 USD
View
B
Retailer 9
-
€3,762 EUR
$4,203 USD
View
B
Retailer 10
-
€3,828 EUR
$4,277 USD
View
B
Retailer 11
-
€3,876 EUR
$4,330 USD
View
Retailer 12
-
€3,926 EUR
A$6,749 AUD
View
Price last confirmed 28 days ago
Retailer 13
-
€4,144 EUR
$4,630 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
€4,145 EUR
View
B
Retailer 15
-
€4,501 EUR
ZAR 81,243 ZAR
View
B
Retailer 16
-
€6,157 EUR
£5,416 GBP
View
Most Expensive
B
NZ Jewellers
fa093de3-088d-40cf-959a-81fa88147d54 · Oct 30
€6,380 EUR
$7,128 USD
View
16 more retailers have this diamond
Prices start from €2,945 EURSave up to €3,435 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
€2,945 EUR