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Radiant|Natural|GIA

1.50ct L SI1 Radiant Natural Diamond

EX • L/SI1 • GIA 2527233344

Certificate GIA 2527233344

Diamond specifications and retailer prices

From £1,628 GBP
As of November 7, 2026
Save £1,954 GBP (55%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,582 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2527233344. Listed at 7 retailers as of November 3, 2026, with prices from £1,628 to £3,582, a £1,954 spread on the same certified stone. NZ Jewellers lists it at £3,582. 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
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.7°
Pavilion angle31.48°
OriginNatural
Grading LabGIA
CertificateGIA 2527233344
Dimensions7.37 × 5.69 × 3.92 mm
L/W Ratio1.30
Top View
7.37 mm5.69 mm1.50 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2527233344
Side View
Table 68.0%Crown 44.7°GirdlePavilion 31.48°CuletDepth 68.9%

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 7
Current: £3,582 GBP|Low: £1,582 GBP|High: £3,674 GBP|Avg: £1,978 GBP|-2.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 3£1,628 GBP
Retailer 4£1,694 GBP
Retailer 8£1,712 GBP
Retailer 5£1,713 GBP
Retailer 6£1,715 GBP
Retailer 7£1,748 GBP
Retailer 2£1,792 GBP
NZ Jewellers£3,582 GBP

41 data points across 8 retailers

7 retailers£1,628 GBP to £3,582 GBP

B+
Cheapest Retailer
-
£1,628 GBP
B+
Retailer 2
-
£1,694 GBP
View
B+
Retailer 3
-
£1,713 GBP
View
B+
Retailer 4
-
£1,715 GBP
View
B+
Retailer 5
-
£1,748 GBP
View
B+
Retailer 6
-
£1,792 GBP
View
Most Expensive
C
NZ Jewellers
90bf3eac-2c43-4a6a-9adf-690f3f4b9cb7 · Nov 3
£3,582 GBP
$4,794 USD
View
6 more retailers have this diamond
Prices start from £1,628 GBPSave up to £1,954 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 Radiant
£1,628 GBP