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Princess|Lab Grown|IGI

1.72ct G SI1 Princess Lab Grown Diamond

EX • G/SI1

Diamond specifications and retailer prices

From £1,095 GBP
CA$2,037 CAD
As of October 30, 2026
5 retailers carry this diamond
Most expensive: £1,095 GBP at Diamond Exchange Canada
View at Diamond Exchange Canada

About this 1.72ct lab-grown princess diamond

This 1.72ct lab-grown princess 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 IGI. Listed at 5 retailers as of October 30, 2026. 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

1.72
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.52 × 6.28 × 4.59 mm
L/W Ratio1.04
Top View
6.52 mm6.28 mm1.72 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 65.5%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 73.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £1,095 GBP|Low: £143 GBP|High: £1,095 GBP|Avg: £392 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 13, 2026
Retailer 3£154 GBP
Retailer 8£179 GBP
Retailer 4£191 GBP
Retailer 5£191 GBP
Retailer 2£274 GBP
Retailer 7£287 GBP
Retailer 6£678 GBP
Diamond Exchange Canada£1,095 GBP

23 data points across 8 retailers

5 retailers

Retailer 1
-
£149 GBP
$199 USD
Price last confirmed 39 days ago
Retailer 2
-
£179 GBP
$240 USD
View
Price last confirmed 17 days ago
Retailer 3
-
£182 GBP
$244 USD
View
Price last confirmed 38 days ago
Retailer 4
-
£274 GBP
View
Price last confirmed 18 days ago
Most Expensive
B
Diamond Exchange Canada
1986530997 · Oct 30
£1,095 GBP
CA$2,037 CAD
View
4 more retailers have this diamond

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
1.72ct Princess
£1,095 GBP