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Round|Natural|GIA

1.50ct G I1 Round Natural Diamond

VG • G/I1 • GIA 6412615371

Certificate GIA 6412615371

Diamond specifications and retailer prices

From £2,856 GBP
HK$29,900 HKD
As of November 1, 2026
Save £3,634 GBP (56%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £6,490 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 G colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 6412615371. Listed at 12 retailers as of October 30, 2026, with prices from £2,856 to £6,490, a £3,634 spread on the same certified stone. NZ Jewellers lists it at £6,490. 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
G
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6412615371
Dimensions7.24 × 7.20 × 4.58 mm
L/W Ratio1.01
Top View
7.24 mm7.20 mm1.50 ctG / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6412615371
Side View
Table 59.0%Crown 36.5°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 63.4%

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 1
Current: £6,490 GBP|Low: £2,828 GBP|High: £6,629 GBP|Avg: £4,020 GBP|-2.1%
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£2,856 GBP
Retailer 12£2,911 GBP
Retailer 10£3,004 GBP
Retailer 6£3,132 GBP
Retailer 3£3,516 GBP
Retailer 11£3,516 GBP
Retailer 14£3,516 GBP
Retailer 4£3,948 GBP
Retailer 13£3,948 GBP
Retailer 15£4,056 GBP
Retailer 9£4,075 GBP
Retailer 2£4,373 GBP
Retailer 5£4,716 GBP
Retailer 7£5,582 GBP
NZ Jewellers£6,490 GBP

26 data points across 15 retailers

12 retailers£2,856 GBP to £6,490 GBP

A
Cheapest Retailer
-
£2,856 GBP
HK$29,900 HKD
B+
Retailer 2
-
£2,911 GBP
$3,900 USD
View
B+
Retailer 3
-
£3,004 GBP
$4,025 USD
View
B+
Retailer 4
-
£3,516 GBP
$4,711 USD
View
B+
Retailer 5
-
£3,516 GBP
$4,711 USD
View
B+
Retailer 6
-
£3,516 GBP
$4,711 USD
View
B
Retailer 7
-
£3,948 GBP
$5,290 USD
View
B
Retailer 8
-
£3,948 GBP
$5,290 USD
View
B
Retailer 9
-
£4,056 GBP
$5,435 USD
View
B
Retailer 10
-
£4,075 GBP
$5,460 USD
View
B
Retailer 11
-
£4,373 GBP
€5,580 EUR
View
Most Expensive
B
NZ Jewellers
917c94b5-ea2d-491e-9f27-434177629b34 · Oct 30
£6,490 GBP
$8,696 USD
View
11 more retailers have this diamond
Prices start from £2,856 GBPSave up to £3,634 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
£2,856 GBP