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Round|Natural|GIA

1.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6552687684

Certificate GIA 6552687684

Diamond specifications and retailer prices

From £3,595 GBP
$4,817 USD
As of October 31, 2026
Save £4,344 GBP (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £7,939 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552687684. Listed at 20 retailers as of October 30, 2026, with prices from £3,595 to £7,939, a £4,344 spread on the same certified stone. NZ Jewellers lists it at £7,939. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6552687684
Dimensions7.38 × 7.41 × 4.49 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Twinning Wisp
Top View
7.38 mm7.41 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552687684
Side View
Table 56.0%Crown 31.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.7%

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 31
Current: £7,939 GBP|Low: £3,595 GBP|High: £7,939 GBP|Avg: £4,858 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
November 1, 2026
Retailer 8£3,595 GBP
Retailer 10£3,638 GBP
Retailer 4£3,969 GBP
Retailer 3£4,300 GBP
Retailer 11£4,300 GBP
Retailer 12£4,300 GBP
Retailer 6£4,410 GBP
Retailer 5£4,494 GBP
Retailer 7£4,523 GBP
Retailer 13£4,962 GBP
Retailer 2£5,163 GBP
Retailer 9£7,031 GBP
NZ Jewellers£7,939 GBP

34 data points across 13 retailers

20 retailers£3,595 GBP to £7,939 GBP

A
Cheapest Retailer
-
£3,595 GBP
$4,817 USD
Retailer 2
-
£3,638 GBP
$4,875 USD
View
A
Retailer 3
-
£3,750 GBP
$5,025 USD
View
Retailer 4
-
£3,769 GBP
$5,050 USD
View
A
Retailer 5
-
£3,969 GBP
$5,318 USD
View
Final sale: no returns
A
Retailer 6
-
£4,246 GBP
$5,689 USD
View
A
Retailer 7
-
£4,300 GBP
$5,762 USD
View
A
Retailer 8
-
£4,300 GBP
$5,762 USD
View
A
Retailer 9
-
£4,300 GBP
$5,762 USD
View
A
Retailer 10
-
£4,410 GBP
View
A
Retailer 11
-
£4,494 GBP
$6,021 USD
View
A
Retailer 12
-
£4,523 GBP
View
B+
Retailer 13
-
£4,799 GBP
$6,430 USD
View
B+
Retailer 14
-
£4,799 GBP
$6,430 USD
View
B+
Retailer 15
-
£4,956 GBP
$6,640 USD
View
B+
Retailer 16
-
£4,962 GBP
$6,649 USD
View
B+
Retailer 17
-
£5,163 GBP
€6,589 EUR
View
Retailer 18
-
£5,233 GBP
$7,012 USD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
£7,031 GBP
View
Most Expensive
B
NZ Jewellers
6aa90f12-10cb-44a1-aaa7-1b2223598626 · Oct 30
£7,939 GBP
$10,638 USD
View
19 more retailers have this diamond
Prices start from £3,595 GBPSave up to £4,344 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
£3,595 GBP