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Round|Natural|GIA

1.50ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6552743522

Certificate GIA 6552743522

Diamond specifications and retailer prices

From £3,812 GBP
As of November 4, 2026
Save £4,281 GBP (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £8,093 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552743522. Listed at 20 retailers as of November 4, 2026, with prices from £3,812 to £8,093, a £4,281 spread on the same certified stone. NZ Jewellers lists it at £8,093. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552743522
Dimensions7.26 × 7.29 × 4.57 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.26 mm7.29 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552743522
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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 4
Current: £8,093 GBP|Low: £3,700 GBP|High: £8,093 GBP|Avg: £5,265 GBP
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
November 6, 2026
Retailer 9£3,812 GBP
Retailer 5£3,823 GBP
Retailer 4£4,046 GBP
Retailer 11£4,384 GBP
Retailer 12£4,384 GBP
Retailer 13£4,384 GBP
Retailer 6£4,565 GBP
Retailer 3£5,058 GBP
Retailer 7£5,246 GBP
Retailer 2£5,812 GBP
Retailer 8£7,109 GBP
Retailer 10£7,477 GBP
NZ Jewellers£8,093 GBP

31 data points across 13 retailers

20 retailers£3,812 GBP to £8,093 GBP

A
Cheapest Retailer
-
£3,812 GBP
A
Retailer 2
-
£3,823 GBP
View
A
Retailer 3
-
£3,917 GBP
View
B+
Retailer 4
-
£4,046 GBP
View
Final sale: no returns
B+
Retailer 5
-
£4,325 GBP
View
B+
Retailer 6
-
£4,384 GBP
View
Retailer 7
-
£4,384 GBP
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£4,384 GBP
View
B+
Retailer 9
-
£4,401 GBP
View
B+
Retailer 10
-
£4,565 GBP
View
B+
Retailer 11
-
£4,696 GBP
View
B+
Retailer 12
-
£4,696 GBP
View
B+
Retailer 13
-
£4,852 GBP
View
B+
Retailer 14
-
£5,058 GBP
View
B+
Retailer 15
-
£5,246 GBP
View
Retailer 16
-
£5,334 GBP
View
Price last confirmed 22 days ago
B+
Retailer 17
-
£5,812 GBP
View
B
Retailer 18
-
£7,109 GBP
View
Retailer 19
-
£7,477 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
4bea73fb-c863-4f00-beb2-34066a12b955 · Nov 5
£8,093 GBP
$10,892 USD
View
19 more retailers have this diamond
Prices start from £3,812 GBPSave up to £4,281 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
£3,812 GBP