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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 $8,289 NZD
As of November 1, 2026
Save $6,930 NZD (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $15,219 NZD at MOH London · As of November 4, 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 $8,289 to $15,219, a $6,930 spread on the same certified stone. MOH London lists it at $15,219. 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
Colour
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: $15,219 NZD|Low: $8,289 NZD|High: $15,443 NZD|Avg: $10,995 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 5$8,289 NZD
Retailer 3$9,546 NZD
Retailer 2$10,004 NZD
Retailer 4$11,255 NZD
Retailer 6$11,428 NZD
MOH London$15,219 NZD

43 data points across 6 retailers

6 retailers$8,289 NZD to $15,219 NZD

B+
Cheapest Retailer
-
$8,289 NZD
B+
Retailer 2
-
$9,546 NZD
View
B+
Retailer 3
-
$10,004 NZD
View
B
Retailer 4
-
$11,255 NZD
View
Retailer 5
-
$11,428 NZD
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
1081D087A · Nov 4
$15,219 NZD
£6,643 GBP
View
5 more retailers have this diamond
Prices start from $8,289 NZDSave up to $6,930 NZD

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
$8,289 NZD