Radiant|Natural|GIA

1.50ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 7561377793

Certificate GIA 7561377793

Diamond specifications and retailer prices

From £4,728 GBP
$6,335 USD
As of November 1, 2026
Save £5,813 GBP (55%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £10,541 GBP at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7561377793. Listed at 25 retailers as of October 30, 2026, with prices from £4,728 to £10,541, a £5,813 spread on the same certified stone. NZ Jewellers lists it at £10,541. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7561377793
Dimensions8.24 × 5.56 × 3.75 mm
L/W Ratio1.48
Culet sizeNone
Top View
8.24 mm5.56 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7561377793
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £10,541 GBP|Low: £4,609 GBP|High: £10,541 GBP|Avg: £6,211 GBP
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 2, 2026
Retailer 23£4,728 GBP
Retailer 7£4,980 GBP
Retailer 20£5,008 GBP
Retailer 15£5,059 GBP
Retailer 4£5,269 GBP
Retailer 6£5,271 GBP
Retailer 9£5,271 GBP
Retailer 8£5,315 GBP
Retailer 10£5,710 GBP
Retailer 24£5,797 GBP
Retailer 14£5,899 GBP
Retailer 13£5,951 GBP
Retailer 22£6,046 GBP
Retailer 3£6,292 GBP
Retailer 12£6,292 GBP
Retailer 16£6,343 GBP
Retailer 21£6,366 GBP
Retailer 11£6,501 GBP
Retailer 5£6,589 GBP
Retailer 2£6,885 GBP
Retailer 17£6,942 GBP
Retailer 19£7,743 GBP
Retailer 18£8,784 GBP
NZ Jewellers£10,541 GBP

32 data points across 24 retailers

25 retailers£4,728 GBP to £10,541 GBP

B+
Cheapest Retailer
-
£4,728 GBP
$6,335 USD
B+
Retailer 2
-
£4,906 GBP
A$10,114 AUD
View
B+
Retailer 3
-
£4,980 GBP
$6,672 USD
View
B+
Retailer 4
-
£5,008 GBP
$6,710 USD
View
Retailer 5
-
£5,059 GBP
$6,778 USD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
£5,269 GBP
$7,060 USD
View
B+
Retailer 7
-
£5,271 GBP
$7,062 USD
View
B+
Retailer 8
-
£5,271 GBP
$7,062 USD
View
Final sale: no returns
B+
Retailer 9
-
£5,315 GBP
$7,121 USD
View
B+
Retailer 10
-
£5,710 GBP
$7,651 USD
View
B+
Retailer 11
-
£5,797 GBP
$7,768 USD
View
Retailer 12
-
£5,899 GBP
$7,904 USD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
£5,951 GBP
View
Retailer 14
-
£6,046 GBP
A$12,462 AUD
View
Price last confirmed 11 days ago
B
Retailer 15
-
£6,248 GBP
$8,372 USD
View
Retailer 16
-
£6,292 GBP
$8,430 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
£6,292 GBP
$8,430 USD
View
Price last confirmed 7 days ago
B
Retailer 18
-
£6,343 GBP
$8,499 USD
View
Retailer 19
-
£6,366 GBP
$8,530 USD
View
Price last confirmed 9 days ago
Retailer 20
-
£6,501 GBP
$8,710 USD
View
Price last confirmed 7 days ago
B
Retailer 21
-
£6,589 GBP
$8,828 USD
View
B
Retailer 22
-
£6,885 GBP
€8,786 EUR
View
B
Retailer 23
-
£7,743 GBP
ZAR 167,604 ZAR
View
B
Retailer 24
-
£8,784 GBP
View
Most Expensive
B
NZ Jewellers
3c94a0b6-9543-4e28-9d85-0422d4e1fae3 · Oct 30
£10,541 GBP
$14,124 USD
View
24 more retailers have this diamond
Prices start from £4,728 GBPSave up to £5,813 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
£4,728 GBP