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Radiant|Natural|GIA

1.26ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 2151322920

Certificate GIA 2151322920

Diamond specifications and retailer prices

From €4,097 EUR
$4,595 USD
As of November 1, 2026
Save €3,444 EUR (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €7,541 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.26ct natural radiant diamond

This 1.26ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2151322920. Listed at 6 retailers as of November 1, 2026, with prices from €4,097 to €7,541, a €3,444 spread on the same certified stone. MOH London lists it at €7,541. 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

1.26
Carat
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2151322920
Dimensions6.06 × 6.03 × 4.17 mm
L/W Ratio1.00
Culet sizeNone
Cert comments
Additional clouds are not shown.
Top View
6.06 mm6.03 mm1.26 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2151322920
Side View
Table 68.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €7,541 EUR|Low: €4,097 EUR|High: €7,633 EUR|Avg: €5,427 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 5€4,097 EUR
Retailer 4€4,718 EUR
Retailer 2€4,994 EUR
Retailer 3€5,593 EUR
Retailer 6€5,648 EUR
MOH London€7,541 EUR

42 data points across 6 retailers

6 retailers€4,097 EUR to €7,541 EUR

B+
Cheapest Retailer
-
€4,097 EUR
$4,595 USD
B+
Retailer 2
-
€4,718 EUR
$5,292 USD
View
B+
Retailer 3
-
€4,994 EUR
£4,410 GBP
View
B
Retailer 4
-
€5,593 EUR
View
Retailer 5
-
€5,648 EUR
$6,335 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
1081D087A · Nov 1
€7,541 EUR
£6,660 GBP
View
5 more retailers have this diamond
Prices start from €4,097 EURSave up to €3,444 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+
1.26ct Radiant
€4,097 EUR