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Round|Natural|GIA

1.50ct K I1 Round Natural Diamond

VG • K/I1 • GIA 7426523997

Certificate GIA 7426523997

Diamond specifications and retailer prices

From £2,378 GBP
As of November 6, 2026
Save £3,189 GBP (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £5,566 GBP at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by GIA 7426523997. Listed at 9 retailers as of November 5, 2026, with prices from £2,378 to £5,566, a £3,189 spread on the same certified stone. NZ Jewellers lists it at £5,566. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
K
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 7426523997
Dimensions7.26 × 7.23 × 4.51 mm
L/W Ratio1.00
Top View
7.26 mm7.23 mm1.50 ctK / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7426523997
Side View
Table 59.0%Crown 36.5°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 62.3%

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 6
Current: £5,566 GBP|Low: £2,358 GBP|High: £5,737 GBP|Avg: £3,284 GBP|-3.0%
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
November 5, 2026
Retailer 8£2,378 GBP
Retailer 6£2,420 GBP
Retailer 11£2,463 GBP
Retailer 7£2,482 GBP
Retailer 3£2,624 GBP
Retailer 9£2,895 GBP
Retailer 12£2,895 GBP
Retailer 10£3,005 GBP
Retailer 5£3,161 GBP
Retailer 13£3,340 GBP
Retailer 2£3,586 GBP
Retailer 14£3,918 GBP
Retailer 4£4,676 GBP
NZ Jewellers£5,566 GBP

26 data points across 14 retailers

9 retailers£2,378 GBP to £5,566 GBP

B+
Cheapest Retailer
-
£2,378 GBP
B+
Retailer 2
-
£2,463 GBP
View
B+
Retailer 3
-
£2,482 GBP
View
B
Retailer 4
-
£2,895 GBP
View
Retailer 5
-
£2,895 GBP
View
Price last confirmed 8 days ago
B
Retailer 6
-
£3,005 GBP
View
B
Retailer 7
-
£3,340 GBP
View
B
Retailer 8
-
£3,586 GBP
View
Most Expensive
C
NZ Jewellers
3358b568-b6ff-4484-ab41-2113cb04a746 · Nov 5
£5,566 GBP
$7,492 USD
View
8 more retailers have this diamond
Prices start from £2,378 GBPSave up to £3,189 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
£2,378 GBP