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Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

VG • I/SI1 • GIA 1176751374

Certificate GIA 1176751374

Diamond specifications and retailer prices

From €3,140 EUR
A$5,397 AUD
As of October 31, 2026
Save €3,029 EUR (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €6,169 EUR at MOH London · As of October 29, 2026
View at MOH London

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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 1176751374. Listed at 10 retailers as of October 29, 2026, with prices from €3,140 to €6,169, a €3,029 spread on the same certified stone. MOH London lists it at €6,169. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
I
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1176751374
Dimensions5.82 × 5.69 × 3.96 mm
L/W Ratio1.02
Top View
5.82 mm5.69 mm1.20 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1176751374
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.7%

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 31
Current: €6,169 EUR|Low: €3,374 EUR|High: €6,362 EUR|Avg: €4,264 EUR|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9€3,391 EUR
Retailer 5€3,442 EUR
Retailer 8€3,484 EUR
Retailer 7€3,852 EUR
Retailer 6€4,109 EUR
Retailer 3€4,303 EUR
Retailer 2€4,358 EUR
Retailer 4€4,736 EUR
MOH London€6,169 EUR

43 data points across 9 retailers

10 retailers€3,140 EUR to €6,169 EUR

B+
Cheapest Retailer
-
€3,140 EUR
A$5,397 AUD
B
Retailer 2
-
€3,391 EUR
$3,788 USD
View
Retailer 3
-
€3,442 EUR
$3,845 USD
View
Price last confirmed 8 days ago
B
Retailer 4
-
€3,484 EUR
$3,893 USD
View
B
Retailer 5
-
€3,852 EUR
$4,304 USD
View
Retailer 6
-
€4,109 EUR
A$7,063 AUD
View
Price last confirmed 23 days ago
B
Retailer 7
-
€4,303 EUR
£3,786 GBP
View
B
Retailer 8
-
€4,358 EUR
View
B
Retailer 9
-
€4,736 EUR
ZAR 85,474 ZAR
View
Most Expensive
B
MOH London
5E2B578B8 · Oct 29
€6,169 EUR
£5,427 GBP
View
9 more retailers have this diamond
Prices start from €3,140 EURSave up to €3,029 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
€3,140 EUR