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Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7568026465

Certificate GIA 7568026465

Diamond specifications and retailer prices

From £3,242 GBP
As of November 6, 2026
Save £3,121 GBP (49%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £7,092 GBP at NZ Jewellers · As of September 27, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7568026465. Listed at 25 retailers as of November 4, 2026, with a 96% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7568026465
Dimensions7.25 × 7.30 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.25 mm7.30 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7568026465
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £4,430 GBP|Low: £3,071 GBP|High: £9,359 GBP|Avg: £4,323 GBP|-1.7%
Retailer 1
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
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 6£3,242 GBP
Retailer 9£3,245 GBP
Retailer 5£3,422 GBP
Retailer 4£3,439 GBP
Retailer 3£3,621 GBP
Retailer 2£3,680 GBP
Retailer 14£4,155 GBP
Retailer 11£4,204 GBP
Retailer 10£4,269 GBP
Retailer 8£4,386 GBP
Retailer 16£4,386 GBP
Retailer 1£4,430 GBP
Retailer 7£4,442 GBP
Retailer 17£4,535 GBP
Retailer 13£4,604 GBP
Retailer 18£5,040 GBP
Retailer 12£5,283 GBP
Retailer 15£6,362 GBP

26 data points across 18 retailers

25 retailers£3,242 GBP to £6,362 GBP

A
Cheapest Retailer
-
£3,242 GBP
Retailer 2
-
£3,245 GBP
View
Price last confirmed 22 days ago
A
Retailer 3
-
£3,422 GBP
View
A
Retailer 4
-
£3,439 GBP
View
A
Retailer 5
-
£3,621 GBP
View
Final sale: no returns
A
Retailer 6
-
£3,680 GBP
View
Retailer 7
-
£4,002 GBP
View
Price last confirmed 21 days ago
B+
Retailer 8
-
£4,155 GBP
View
B+
Retailer 9
-
£4,204 GBP
View
Retailer 10
-
£4,241 GBP
View
Price last confirmed 29 days ago
Retailer 11
-
£4,241 GBP
View
Price last confirmed 29 days ago
Retailer 12
-
£4,241 GBP
View
Price last confirmed 38 days ago
B+
Retailer 13
-
£4,262 GBP
View
Retailer 14
-
£4,269 GBP
View
Price last confirmed 33 days ago
B+
Retailer 15
-
£4,386 GBP
View
B+
Retailer 16
-
£4,386 GBP
View
B+
Retailer 17
-
£4,430 GBP
View
B+
Retailer 18
-
£4,442 GBP
View
B+
Retailer 19
-
£4,535 GBP
View
B+
Retailer 20
-
£4,604 GBP
View
Retailer 21
-
£4,893 GBP
View
Price last confirmed 38 days ago
B
Retailer 22
-
£5,040 GBP
View
B+
Retailer 23
-
£5,283 GBP
View
B
Retailer 24
-
£6,362 GBP
View
Most Expensive
NZ Jewellers
f0c5336a-5880-4ac7-b560-ad6865dd067e · Sep 27
£7,092 GBP
$9,493 USD
View
Price last confirmed 40 days ago
24 more retailers have this diamond
Prices start from £3,242 GBPSave up to £3,121 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.

A
1.50ct Round
£3,242 GBP