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Round|Natural|GIA

1.50ct G I1 Round Natural Diamond

EX • G/I1 • GIA 6422694331

Certificate GIA 6422694331

Diamond specifications and retailer prices

From £3,717 GBP
$4,980 USD
As of November 1, 2026
Save £4,412 GBP (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £8,129 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6422694331. Listed at 14 retailers as of October 30, 2026, with prices from £3,717 to £8,129, a £4,412 spread on the same certified stone. NZ Jewellers lists it at £8,129. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6422694331
Dimensions7.29 × 7.27 × 4.58 mm
L/W Ratio1.00
Top View
7.29 mm7.27 mm1.50 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422694331
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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: Nov 1
Current: £8,129 GBP|Low: £3,504 GBP|High: £8,129 GBP|Avg: £4,899 GBP
NZ Jewellers
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
November 1, 2026
Retailer 7£3,504 GBP
Retailer 8£3,717 GBP
Retailer 14£3,817 GBP
Retailer 9£3,840 GBP
Retailer 10£4,403 GBP
Retailer 12£4,403 GBP
Retailer 13£4,403 GBP
Retailer 11£5,080 GBP
Retailer 3£5,150 GBP
Retailer 5£5,150 GBP
Retailer 6£5,217 GBP
Retailer 2£5,286 GBP
Retailer 4£5,321 GBP
Retailer 15£5,794 GBP
NZ Jewellers£8,129 GBP

20 data points across 15 retailers

14 retailers£3,717 GBP to £8,129 GBP

B+
Cheapest Retailer
-
£3,717 GBP
$4,980 USD
B+
Retailer 2
-
£3,840 GBP
$5,145 USD
View
Retailer 3
-
£4,403 GBP
$5,900 USD
View
Price last confirmed 55 days ago
B
Retailer 4
-
£4,403 GBP
$5,900 USD
View
B
Retailer 5
-
£4,403 GBP
$5,900 USD
View
B
Retailer 6
-
£4,403 GBP
$5,900 USD
View
Retailer 7
-
£5,080 GBP
$6,807 USD
View
Price last confirmed 55 days ago
B
Retailer 8
-
£5,080 GBP
$6,807 USD
View
B
Retailer 9
-
£5,150 GBP
$6,900 USD
View
B
Retailer 10
-
£5,150 GBP
$6,900 USD
View
B
Retailer 11
-
£5,286 GBP
€6,746 EUR
View
B
Retailer 12
-
£5,321 GBP
$7,130 USD
View
Retailer 13
-
£8,129 GBP
$10,892 USD
View
Price last confirmed 61 days ago
Most Expensive
B
NZ Jewellers
a84032ce-b00e-4a62-9f02-3b03233adfb0 · Oct 30
£8,129 GBP
$10,892 USD
View
13 more retailers have this diamond
Prices start from £3,717 GBPSave up to £4,412 GBP

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+
1.50ct Round
£3,717 GBP