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Radiant|Natural|GIA

1.20ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 5553890587

Certificate GIA 5553890587

Diamond specifications and retailer prices

From €2,225 EUR
HK$19,500 HKD
As of November 1, 2026
Save €3,283 EUR (60%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €5,509 EUR at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded G 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 5553890587. Listed at 23 retailers as of October 28, 2026, with prices from €2,225 to €5,509, a €3,283 spread on the same certified stone. Queensmith lists it at €5,509. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553890587
Dimensions7.11 × 5.38 × 3.69 mm
L/W Ratio1.32
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
7.11 mm5.38 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5553890587
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.5%

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 1
Current: €5,509 EUR|Low: €2,203 EUR|High: €5,616 EUR|Avg: €3,306 EUR|+0.7%
Queensmith
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
November 3, 2026
Retailer 15€2,225 EUR
Retailer 11€2,328 EUR
Retailer 5€2,643 EUR
Retailer 7€2,681 EUR
Retailer 3€2,718 EUR
Retailer 16€2,835 EUR
Retailer 12€2,874 EUR
Retailer 9€3,051 EUR
Retailer 17€3,075 EUR
Retailer 2€3,079 EUR
Retailer 6€3,089 EUR
Retailer 4€3,147 EUR
Retailer 13€3,448 EUR
Retailer 8€3,520 EUR
Retailer 14€3,621 EUR
Retailer 10€4,927 EUR
Queensmith€5,509 EUR

24 data points across 17 retailers

23 retailers€2,225 EUR to €5,509 EUR

A
Cheapest Retailer
-
€2,225 EUR
HK$19,500 HKD
A
Retailer 2
-
€2,328 EUR
₹248,719 INR
View
B+
Retailer 3
-
€2,643 EUR
$2,964 USD
View
B+
Retailer 4
-
€2,681 EUR
SGD 4,063 SGD
View
B+
Retailer 5
-
€2,718 EUR
$3,049 USD
View
Final sale: no returns
B+
Retailer 6
-
€2,835 EUR
$3,180 USD
View
B+
Retailer 7
-
€2,837 EUR
$3,182 USD
View
B+
Retailer 8
-
€2,874 EUR
£2,538 GBP
View
B+
Retailer 9
-
€3,007 EUR
A$5,188 AUD
View
Retailer 10
-
€3,051 EUR
$3,422 USD
View
Price last confirmed 16 days ago
Retailer 11
-
€3,051 EUR
$3,422 USD
View
Price last confirmed 18 days ago
B+
Retailer 12
-
€3,075 EUR
$3,448 USD
View
B+
Retailer 13
-
€3,079 EUR
£2,719 GBP
View
Retailer 14
-
€3,089 EUR
SGD 4,682 SGD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
€3,147 EUR
$3,530 USD
View
Retailer 16
-
€3,168 EUR
$3,553 USD
View
Price last confirmed 17 days ago
Retailer 17
-
€3,287 EUR
A$5,671 AUD
View
Price last confirmed 30 days ago
B+
Retailer 18
-
€3,448 EUR
View
Retailer 19
-
€3,520 EUR
$3,948 USD
View
Price last confirmed 15 days ago
B+
Retailer 20
-
€3,621 EUR
ZAR 65,619 ZAR
View
B
Retailer 21
-
€4,927 EUR
£4,351 GBP
View
Retailer 22
-
€5,315 EUR
$5,961 USD
View
Price last confirmed 16 days ago
Most Expensive
B
Queensmith
5553890587 · Oct 28
€5,509 EUR
£4,865 GBP
View
22 more retailers have this diamond
Prices start from €2,225 EURSave up to €3,283 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
€2,225 EUR