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Princess|Natural|GIA

1.50ct G SI2 Princess Natural Diamond

EX • G/SI2 • GIA 6541781998

Certificate GIA 6541781998

Diamond specifications and retailer prices

From £1,920 GBP
SGD 3,476 SGD
As of October 31, 2026
Save £1,664 GBP (46%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,584 GBP at Helzberg Diamonds · As of October 28, 2026
View at Helzberg Diamonds

About this 1.5ct natural princess diamond

This 1.5ct natural princess 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 stated by the retailer rather than the lab and certified by GIA 6541781998. Listed at 13 retailers as of October 28, 2026, with prices from £1,920 to £3,584, a £1,664 spread on the same certified stone. Helzberg Diamonds lists it at £3,584. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.21°
Pavilion angle37.94°
OriginNatural
Grading LabGIA
CertificateGIA 6541781998
Dimensions6.13 × 6.12 × 4.47 mm
L/W Ratio1.00
Top View
6.13 mm6.12 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541781998
Side View
Table 71.0%Crown 30.21°Girdle: THK-VTKPavilion 37.94°Culet: NoneDepth 73.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £3,584 GBP|Low: £1,920 GBP|High: £3,820 GBP|Avg: £2,617 GBP|-5.9%
Helzberg Diamonds
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 9£1,920 GBP
Retailer 7£2,049 GBP
Retailer 6£2,085 GBP
Retailer 2£2,250 GBP
Retailer 13£2,271 GBP
Retailer 11£2,435 GBP
Retailer 4£2,444 GBP
Retailer 8£2,455 GBP
Retailer 12£2,510 GBP
Retailer 5£2,722 GBP
Retailer 10£2,941 GBP
Retailer 3£3,545 GBP
Helzberg Diamonds£3,584 GBP

32 data points across 13 retailers

13 retailers£1,920 GBP to £3,584 GBP

A
Cheapest Retailer
-
£1,920 GBP
SGD 3,476 SGD
A
Retailer 2
-
£2,049 GBP
$2,746 USD
View
A
Retailer 3
-
£2,085 GBP
$2,794 USD
View
A
Retailer 4
-
£2,250 GBP
View
A
Retailer 5
-
£2,271 GBP
SGD 4,112 SGD
View
A
Retailer 6
-
£2,435 GBP
$3,263 USD
View
A
Retailer 7
-
£2,444 GBP
$3,275 USD
View
A
Retailer 8
-
£2,455 GBP
$3,290 USD
View
A
Retailer 9
-
£2,510 GBP
$3,363 USD
View
A
Retailer 10
-
£2,676 GBP
$3,586 USD
View
A
Retailer 11
-
£2,941 GBP
$3,941 USD
View
A
Retailer 12
-
£3,545 GBP
$4,749 USD
View
Most Expensive
A
Helzberg Diamonds
XZRMLKHNOHPPO · Oct 28
£3,584 GBP
$4,802 USD
View
12 more retailers have this diamond
Prices start from £1,920 GBPSave up to £1,664 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 Princess
£1,920 GBP