Round|Natural|GIA

1.50ct G I1 Round Natural Diamond

EX • G/I1 • GIA 2527498366

Certificate GIA 2527498366

Diamond specifications and retailer prices

From £4,918 GBP
$6,590 USD
As of October 31, 2026
Save £6,168 GBP (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £11,086 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 2527498366. Listed at 13 retailers as of October 30, 2026, with prices from £4,918 to £11,086, a £6,168 spread on the same certified stone. NZ Jewellers lists it at £11,086. 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 angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2527498366
Dimensions7.34 × 7.31 × 4.57 mm
L/W Ratio1.00
Top View
7.34 mm7.31 mm1.50 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527498366
Side View
Table 57.0%Crown 34.5°Girdle: ThickPavilion 41.4°Culet: NoneDepth 62.4%

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: £11,086 GBP|Low: £4,856 GBP|High: £11,086 GBP|Avg: £6,606 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 6£4,918 GBP
Retailer 3£4,952 GBP
Retailer 4£5,190 GBP
Retailer 8£5,543 GBP
Retailer 9£6,005 GBP
Retailer 5£6,098 GBP
Retailer 2£6,844 GBP
Retailer 7£6,929 GBP
Retailer 10£7,901 GBP
NZ Jewellers£11,086 GBP

25 data points across 10 retailers

13 retailers£4,918 GBP to £11,086 GBP

B+
Cheapest Retailer
-
£4,918 GBP
$6,590 USD
B+
Retailer 2
-
£4,952 GBP
$6,635 USD
View
B
Retailer 3
-
£5,190 GBP
$6,954 USD
View
B
Retailer 4
-
£5,543 GBP
$7,427 USD
View
B
Retailer 5
-
£6,005 GBP
$8,046 USD
View
B
Retailer 6
-
£6,098 GBP
$8,170 USD
View
B
Retailer 7
-
£6,356 GBP
$8,517 USD
View
B
Retailer 8
-
£6,605 GBP
$8,850 USD
View
B
Retailer 9
-
£6,605 GBP
$8,850 USD
View
B
Retailer 10
-
£6,821 GBP
$9,140 USD
View
B
Retailer 11
-
£6,844 GBP
€8,733 EUR
View
B
Retailer 12
-
£6,929 GBP
$9,284 USD
View
Most Expensive
B
NZ Jewellers
d8361fa3-3b69-4c6b-9937-5ce96622a136 · Oct 30
£11,086 GBP
$14,854 USD
View
12 more retailers have this diamond
Prices start from £4,918 GBPSave up to £6,168 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
£4,918 GBP