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Round|Natural|GIA

1.50ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1196538522

Certificate GIA 1196538522

Diamond specifications and retailer prices

From £4,439 GBP
As of November 6, 2026
Save £5,553 GBP (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £9,992 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 1196538522. Listed at 19 retailers as of November 5, 2026, with prices from £4,439 to £9,992, a £5,553 spread on the same certified stone. NZ Jewellers lists it at £9,992. 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
FluorescenceFaint
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1196538522
Dimensions7.33 × 7.28 × 4.55 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.33 mm7.28 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1196538522
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.5%

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: £9,992 GBP|Low: £4,399 GBP|High: £9,992 GBP|Avg: £5,830 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 7£4,439 GBP
Retailer 14£4,495 GBP
Retailer 18£4,511 GBP
Retailer 5£4,720 GBP
Retailer 8£4,996 GBP
Retailer 16£4,996 GBP
Retailer 3£5,319 GBP
Retailer 4£5,412 GBP
Retailer 17£5,496 GBP
Retailer 2£5,509 GBP
Retailer 9£5,899 GBP
Retailer 15£5,899 GBP
Retailer 10£6,100 GBP
Retailer 12£6,125 GBP
Retailer 11£6,185 GBP
Retailer 6£6,581 GBP
Retailer 13£8,304 GBP
NZ Jewellers£9,992 GBP

43 data points across 18 retailers

19 retailers£4,439 GBP to £9,992 GBP

B+
Cheapest Retailer
-
£4,439 GBP
B+
Retailer 2
-
£4,495 GBP
View
B+
Retailer 3
-
£4,511 GBP
View
B+
Retailer 4
-
£4,644 GBP
View
B+
Retailer 5
-
£4,720 GBP
View
Retailer 6
-
£4,996 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£4,996 GBP
View
Final sale: no returns
B+
Retailer 8
-
£5,319 GBP
View
B
Retailer 9
-
£5,412 GBP
View
B
Retailer 10
-
£5,496 GBP
View
B+
Retailer 11
-
£5,509 GBP
View
B
Retailer 12
-
£5,899 GBP
View
B
Retailer 13
-
£5,899 GBP
View
B
Retailer 14
-
£6,100 GBP
View
B+
Retailer 15
-
£6,125 GBP
View
B
Retailer 16
-
£6,185 GBP
View
Retailer 17
-
£6,581 GBP
View
Price last confirmed 14 days ago
B
Retailer 18
-
£8,304 GBP
View
Most Expensive
B
NZ Jewellers
d47c35b7-af39-40e6-b388-92982623d491 · Nov 5
£9,992 GBP
$13,448 USD
View
18 more retailers have this diamond
Prices start from £4,439 GBPSave up to £5,553 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
£4,439 GBP