Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2568500193

Certificate GIA 2568500193

Diamond specifications and retailer prices

From £5,461 GBP
$7,317 USD
As of October 31, 2026
Save £5,682 GBP (51%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £11,143 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 2568500193. Listed at 24 retailers as of October 30, 2026, with prices from £5,461 to £11,143, a £5,682 spread on the same certified stone. NZ Jewellers lists it at £11,143. 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 angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2568500193
Dimensions7.30 × 7.35 × 4.58 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.30 mm7.35 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2568500193
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £11,143 GBP|Low: £4,967 GBP|High: £11,525 GBP|Avg: £6,395 GBP|+12.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 1, 2026
Retailer 7£4,967 GBP
Retailer 16£5,106 GBP
Retailer 10£5,106 GBP
Retailer 11£5,444 GBP
Retailer 12£5,453 GBP
Retailer 18£5,453 GBP
Retailer 25£5,461 GBP
Retailer 20£5,563 GBP
Retailer 24£5,786 GBP
Retailer 14£5,907 GBP
Retailer 9£5,998 GBP
Retailer 17£6,030 GBP
Retailer 19£6,230 GBP
Retailer 21£6,232 GBP
Retailer 5£6,289 GBP
Retailer 6£6,300 GBP
Retailer 3£6,454 GBP
Retailer 22£6,695 GBP
Retailer 23£6,695 GBP
Retailer 15£6,815 GBP
Retailer 4£6,918 GBP
Retailer 2£6,949 GBP
Retailer 8£7,170 GBP
Retailer 13£9,285 GBP
NZ Jewellers£11,143 GBP

16 data points across 25 retailers

24 retailers£5,461 GBP to £11,143 GBP

Retailer 1
-
£4,967 GBP
$6,655 USD
Price last confirmed 14 days ago
Retailer 2
-
£5,106 GBP
$6,841 USD
View
Price last confirmed 14 days ago
Retailer 3
-
£5,106 GBP
$6,842 USD
View
Price last confirmed 13 days ago
Retailer 4
-
£5,444 GBP
$7,295 USD
View
Price last confirmed 12 days ago
Retailer 5
-
£5,453 GBP
$7,306 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
£5,461 GBP
$7,317 USD
View
B+
Retailer 7
-
£5,563 GBP
CA$10,353 CAD
View
B+
Retailer 8
-
£5,786 GBP
$7,753 USD
View
Retailer 9
-
£5,907 GBP
$7,915 USD
View
Price last confirmed 14 days ago
Retailer 10
-
£5,998 GBP
$8,036 USD
View
Price last confirmed 16 days ago
Retailer 11
-
£6,030 GBP
$8,080 USD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
£6,230 GBP
View
B+
Retailer 13
-
£6,232 GBP
$8,350 USD
View
B+
Retailer 14
-
£6,289 GBP
$8,426 USD
View
Retailer 15
-
£6,300 GBP
View
Price last confirmed 13 days ago
B+
Retailer 16
-
£6,454 GBP
$8,648 USD
View
B+
Retailer 17
-
£6,695 GBP
$8,970 USD
View
B
Retailer 18
-
£6,695 GBP
$8,970 USD
View
Retailer 19
-
£6,815 GBP
$9,132 USD
View
Price last confirmed 13 days ago
B+
Retailer 20
-
£6,918 GBP
$9,270 USD
View
B+
Retailer 21
-
£6,949 GBP
€8,868 EUR
View
Retailer 22
-
£7,170 GBP
ZAR 155,194 ZAR
View
Price last confirmed 14 days ago
B
Retailer 23
-
£9,285 GBP
View
Most Expensive
B
NZ Jewellers
cf70eaa3-502a-417b-b0f2-03748adf61be · Oct 30
£11,143 GBP
$14,930 USD
View
23 more retailers have this diamond
Prices start from £5,461 GBPSave up to £5,682 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
£5,461 GBP