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Round|Natural|GIA

1.50ct H I1 Round Natural Diamond

VG • H/I1 • GIA 6422870661

Certificate GIA 6422870661

Diamond specifications and retailer prices

From £3,105 GBP
HK$32,500 HKD
As of November 1, 2026
Save £3,943 GBP (56%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £7,048 GBP at NZ Jewellers · As of October 30, 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 I1 clarity (included), with a very-good cut grade and certified by GIA 6422870661. Listed at 12 retailers as of October 30, 2026, with prices from £3,105 to £7,048, a £3,943 spread on the same certified stone. NZ Jewellers lists it at £7,048. 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
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 6422870661
Dimensions7.19 × 7.13 × 4.57 mm
L/W Ratio1.01
Top View
7.19 mm7.13 mm1.50 ctH / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6422870661
Side View
Table 57.0%Crown 37.5°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 63.8%

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 1
Current: £7,048 GBP|Low: £3,076 GBP|High: £7,048 GBP|Avg: £4,020 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
November 1, 2026
Retailer 8£3,105 GBP
Retailer 12£3,163 GBP
Retailer 7£3,177 GBP
Retailer 10£3,247 GBP
Retailer 6£3,367 GBP
Retailer 3£3,817 GBP
Retailer 11£3,817 GBP
Retailer 14£3,817 GBP
Retailer 4£4,276 GBP
Retailer 13£4,276 GBP
Retailer 15£4,405 GBP
Retailer 9£4,418 GBP
Retailer 2£4,747 GBP
Retailer 5£5,080 GBP
NZ Jewellers£7,048 GBP

23 data points across 15 retailers

12 retailers£3,105 GBP to £7,048 GBP

B+
Cheapest Retailer
-
£3,105 GBP
HK$32,500 HKD
B+
Retailer 2
-
£3,163 GBP
$4,238 USD
View
B+
Retailer 3
-
£3,247 GBP
$4,350 USD
View
B
Retailer 4
-
£3,817 GBP
$5,115 USD
View
B
Retailer 5
-
£3,817 GBP
$5,115 USD
View
B
Retailer 6
-
£3,817 GBP
$5,115 USD
View
B
Retailer 7
-
£4,276 GBP
$5,730 USD
View
B
Retailer 8
-
£4,276 GBP
$5,730 USD
View
B
Retailer 9
-
£4,405 GBP
$5,902 USD
View
B
Retailer 10
-
£4,418 GBP
$5,920 USD
View
B
Retailer 11
-
£4,747 GBP
€6,058 EUR
View
Most Expensive
C
NZ Jewellers
01ce18e9-f920-432f-b079-4218b564c739 · Oct 30
£7,048 GBP
$9,443 USD
View
11 more retailers have this diamond
Prices start from £3,105 GBPSave up to £3,943 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
£3,105 GBP