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Round|Natural|GIA

1.50ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 2564385717

Certificate GIA 2564385717

Diamond specifications and retailer prices

From £3,771 GBP
As of November 6, 2026
Save £4,210 GBP (53%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £7,981 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2564385717. Listed at 26 retailers as of November 5, 2026, with prices from £3,771 to £7,981, a £4,210 spread on the same certified stone. NZ Jewellers lists it at £7,981. 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
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2564385717
Dimensions7.07 × 7.13 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.07 mm7.13 mm1.50 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2564385717
Side View
Table 59.0%Crown 37.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 64.6%

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: £7,981 GBP|Low: £3,580 GBP|High: £7,981 GBP|Avg: £4,889 GBP|+1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
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Retailer 17
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Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 6, 2026
Retailer 10£3,582 GBP
Retailer 2£3,771 GBP
Retailer 11£3,937 GBP
Retailer 9£3,990 GBP
Retailer 23£4,038 GBP
Retailer 3£4,061 GBP
Retailer 14£4,140 GBP
Retailer 18£4,188 GBP
Retailer 7£4,323 GBP
Retailer 22£4,475 GBP
Retailer 6£4,516 GBP
Retailer 20£4,630 GBP
Retailer 16£4,641 GBP
Retailer 15£4,695 GBP
Retailer 17£4,695 GBP
Retailer 5£4,819 GBP
Retailer 8£4,819 GBP
Retailer 25£4,903 GBP
Retailer 21£4,983 GBP
Retailer 4£4,988 GBP
Retailer 19£5,259 GBP
Retailer 13£5,463 GBP
Retailer 24£5,822 GBP
Retailer 12£6,953 GBP
NZ Jewellers£7,981 GBP

27 data points across 25 retailers

26 retailers£3,771 GBP to £7,981 GBP

Retailer 1
-
£3,452 GBP
Price last confirmed 17 days ago
Retailer 2
-
£3,771 GBP
View
Retailer 3
-
£3,836 GBP
View
Price last confirmed 22 days ago
Retailer 4
-
£3,937 GBP
View
Price last confirmed 19 days ago
Retailer 5
-
£3,975 GBP
View
Price last confirmed 21 days ago
A
Retailer 6
-
£3,990 GBP
View
Final sale: no returns
B+
Retailer 7
-
£4,038 GBP
View
B+
Retailer 8
-
£4,061 GBP
View
B+
Retailer 9
-
£4,323 GBP
View
B+
Retailer 10
-
£4,475 GBP
View
B+
Retailer 11
-
£4,516 GBP
View
B+
Retailer 12
-
£4,630 GBP
View
Retailer 13
-
£4,641 GBP
View
Price last confirmed 27 days ago
Retailer 14
-
£4,654 GBP
View
Price last confirmed 16 days ago
Retailer 15
-
£4,695 GBP
View
Price last confirmed 22 days ago
Retailer 16
-
£4,695 GBP
View
Price last confirmed 21 days ago
B+
Retailer 17
-
£4,819 GBP
View
B+
Retailer 18
-
£4,819 GBP
View
B+
Retailer 19
-
£4,903 GBP
View
B
Retailer 20
-
£4,983 GBP
View
B
Retailer 21
-
£4,988 GBP
View
B
Retailer 22
-
£5,259 GBP
View
B
Retailer 23
-
£5,463 GBP
View
B
Retailer 24
-
£5,822 GBP
View
Retailer 25
-
£6,953 GBP
View
Price last confirmed 18 days ago
Most Expensive
B
NZ Jewellers
5372980e-dd62-4054-934e-5c3da3a8ae81 · Nov 5
£7,981 GBP
$10,682 USD
View
25 more retailers have this diamond
Prices start from £3,771 GBPSave up to £4,210 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
£3,771 GBP