Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6332354925

Certificate GIA 6332354925

Diamond specifications and retailer prices

From £4,452 GBP
$5,965 USD
As of October 25, 2026
Save £5,624 GBP (56%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: £10,075 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6332354925. Listed at 28 retailers as of October 25, 2026, with prices from £4,452 to £10,075, a £5,624 spread on the same certified stone. NZ Jewellers lists it at £10,075. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6332354925
Dimensions7.34 × 7.38 × 4.52 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle, Natural
Top View
7.34 mm7.38 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6332354925
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

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: Oct 25
Current: £10,075 GBP|Low: £3,831 GBP|High: £10,075 GBP|Avg: £5,487 GBP
NZ Jewellers
Retailer 2
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Retailer 28
October 31, 2026
Retailer 21£3,831 GBP
Retailer 18£4,452 GBP
Retailer 17£4,550 GBP
Retailer 16£4,570 GBP
Retailer 10£4,759 GBP
Retailer 6£4,769 GBP
Retailer 19£4,829 GBP
Retailer 14£5,037 GBP
Retailer 28£5,038 GBP
Retailer 11£5,045 GBP
Retailer 24£5,165 GBP
Retailer 12£5,364 GBP
Retailer 2£5,371 GBP
Retailer 5£5,457 GBP
Retailer 20£5,511 GBP
Retailer 4£5,542 GBP
Retailer 27£5,564 GBP
Retailer 13£5,644 GBP
Retailer 15£5,660 GBP
Retailer 23£5,992 GBP
Retailer 9£6,077 GBP
Retailer 7£6,094 GBP
Retailer 26£6,248 GBP
Retailer 22£6,297 GBP
Retailer 25£6,415 GBP
Retailer 8£7,335 GBP
Retailer 3£8,441 GBP
NZ Jewellers£10,075 GBP

19 data points across 28 retailers

28 retailers£4,452 GBP to £10,075 GBP

A
Cheapest Retailer
-
£4,452 GBP
$5,965 USD
A
Retailer 2
-
£4,550 GBP
$6,096 USD
View
A
Retailer 3
-
£4,570 GBP
$6,123 USD
View
A
Retailer 4
-
£4,682 GBP
A$9,651 AUD
View
A
Retailer 5
-
£4,759 GBP
$6,377 USD
View
A
Retailer 6
-
£4,769 GBP
$6,390 USD
View
A
Retailer 7
-
£4,829 GBP
$6,470 USD
View
B+
Retailer 8
-
£5,037 GBP
$6,749 USD
View
Final sale: no returns
A
Retailer 9
-
£5,038 GBP
$6,750 USD
View
B+
Retailer 10
-
£5,045 GBP
$6,760 USD
View
B+
Retailer 11
-
£5,165 GBP
CA$9,611 CAD
View
B+
Retailer 12
-
£5,364 GBP
$7,187 USD
View
B+
Retailer 13
-
£5,371 GBP
$7,197 USD
View
B+
Retailer 14
-
£5,457 GBP
$7,312 USD
View
Retailer 15
-
£5,511 GBP
$7,384 USD
View
Price last confirmed 16 days ago
B+
Retailer 16
-
£5,542 GBP
$7,425 USD
View
B+
Retailer 17
-
£5,564 GBP
$7,455 USD
View
B+
Retailer 18
-
£5,644 GBP
View
B+
Retailer 19
-
£5,660 GBP
$7,584 USD
View
B+
Retailer 20
-
£5,992 GBP
$8,028 USD
View
B+
Retailer 21
-
£6,077 GBP
$8,142 USD
View
B+
Retailer 22
-
£6,094 GBP
$8,165 USD
View
B+
Retailer 23
-
£6,248 GBP
€7,973 EUR
View
B+
Retailer 24
-
£6,297 GBP
$8,437 USD
View
B+
Retailer 25
-
£6,415 GBP
View
B
Retailer 26
-
£7,335 GBP
ZAR 158,771 ZAR
View
B
Retailer 27
-
£8,441 GBP
View
Most Expensive
B
NZ Jewellers
f920cb7c-2e7c-4c46-9189-8eed3e06be94 · Oct 30
£10,075 GBP
$13,500 USD
View
27 more retailers have this diamond
Prices start from £4,452 GBPSave up to £5,624 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
£4,452 GBP