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1.51ct K I2 Round Natural Diamond

EX • K/I2 • GIA 6432073030

Certificate GIA 6432073030

Diamond specifications and retailer prices

From £1,711 GBP
$2,303 USD
As of November 5, 2026
1 retailer carries this diamond
Only listing: £1,711 GBP at Brilliance
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliance

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and I2 clarity (included), with a top-tier cut grade and certified by GIA 6432073030. Listed at a single retailer as of November 5, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
I2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6432073030
Dimensions7.28 × 7.31 × 4.58 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
7.28 mm7.31 mm1.51 ctK / I2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6432073030
Side View
Table 56.0%Crown 35°GirdlePavilion 41°CuletDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £1,711 GBP|Low: £1,711 GBP|High: £2,279 GBP|Avg: £2,009 GBP|-3.1%
Brilliance
Retailer 2
October 10, 2026
Brilliance£1,711 GBP
Retailer 2£2,279 GBP

2 data points across 2 retailers

1 retailer

B+
Brilliance
D42934645 · Nov 5
£1,711 GBP
$2,303 USD
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B+
1.51ct Round
£1,711 GBP