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Princess|Lab Grown|IGI

1.61ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG544270554

Shape and cutting style on the report: Princess cut

Certificate IGI LG544270554

Diamond specifications and retailer prices

From £155 GBP
$206 USD
As of October 27, 2026
Save £1,332 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,487 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.61ct lab-grown princess diamond

This 1.61ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG544270554 or 544270554. Listed at 10 retailers as of October 27, 2026, with prices from £155 to £1,487, a £1,332 spread on the same certified stone. Do Amore Diamonds lists it at £1,487. 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

1.61
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544270554
Dimensions6.62 × 6.41 × 4.44 mm
L/W Ratio1.03
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.62 mm6.41 mm1.61 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544270554
Side View
Table 69.5%Crown 41.1°Girdle: MediumPavilion 38.6°Culet: NoneDepth 69.3%

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 27
Current: £1,487 GBP|Low: £155 GBP|High: £1,517 GBP|Avg: £679 GBP|-1.0%
Do Amore 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
Retailer 14
October 26, 2026
Retailer 9£155 GBP
Retailer 14£177 GBP
Retailer 7£179 GBP
Retailer 10£332 GBP
Retailer 4£409 GBP
Retailer 6£498 GBP
Retailer 3£578 GBP
Retailer 8£619 GBP
Retailer 11£653 GBP
Retailer 12£680 GBP
Retailer 2£850 GBP
Retailer 5£884 GBP
Retailer 13£1,352 GBP
Do Amore Diamonds£1,487 GBP

19 data points across 14 retailers

10 retailers£155 GBP to £1,487 GBP

A
Cheapest Retailer
-
£155 GBP
$206 USD
A
Retailer 2
-
£177 GBP
$236 USD
View
Final sale: no returns
A
Retailer 3
-
£179 GBP
$239 USD
View
B+
Retailer 4
-
£332 GBP
$442 USD
View
B
Retailer 5
-
£619 GBP
$824 USD
View
B+
Retailer 6
-
£653 GBP
$869 USD
View
B+
Retailer 7
-
£680 GBP
$906 USD
View
B
Retailer 8
-
£850 GBP
View
B
Retailer 9
-
£1,352 GBP
$1,800 USD
View
Most Expensive
B
Do Amore Diamonds
27-748033B79 · Oct 29
£1,487 GBP
$1,980 USD
View
9 more retailers have this diamond
Prices start from £155 GBPSave up to £1,332 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
1.61ct Princess
£155 GBP