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Princess|Lab Grown|IGI

1.81ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG549293217

Shape and cutting style on the report: Princess cut

Certificate IGI LG549293217

Diamond specifications and retailer prices

From £171 GBP
$228 USD
As of October 27, 2026
Save £1,473 GBP (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,645 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.81ct lab-grown princess diamond

This 1.81ct 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 LG549293217 or 549293217. Listed at 9 retailers as of October 27, 2026, with prices from £171 to £1,645, a £1,473 spread on the same certified stone. Do Amore Diamonds lists it at £1,645. 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

1.81
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.3°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG549293217
Dimensions6.50 × 6.48 × 4.77 mm
L/W Ratio1.00
Culet sizePointed
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
6.50 mm6.48 mm1.81 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG549293217
Side View
Table 67.5%Crown 46.3°Girdle: Slightly ThickPavilion 38°Culet: NoneDepth 73.6%

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 27
Current: £1,645 GBP|Low: £128 GBP|High: £1,682 GBP|Avg: £628 GBP|-2.2%
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
October 29, 2026
Retailer 8£171 GBP
Retailer 12£196 GBP
Retailer 6£199 GBP
Retailer 10£362 GBP
Retailer 4£402 GBP
Retailer 3£451 GBP
Retailer 13£495 GBP
Retailer 5£623 GBP
Retailer 7£686 GBP
Retailer 11£755 GBP
Retailer 9£920 GBP
Retailer 2£946 GBP
Do Amore Diamonds£1,645 GBP

20 data points across 13 retailers

9 retailers£171 GBP to £1,645 GBP

A
Cheapest Retailer
-
£171 GBP
$228 USD
A
Retailer 2
-
£196 GBP
$261 USD
View
Final sale: no returns
A
Retailer 3
-
£199 GBP
$265 USD
View
B+
Retailer 4
-
£362 GBP
$482 USD
View
B
Retailer 5
-
£686 GBP
$913 USD
View
B+
Retailer 6
-
£755 GBP
$1,005 USD
View
B
Retailer 7
-
£920 GBP
$1,225 USD
View
B
Retailer 8
-
£946 GBP
View
Most Expensive
B
Do Amore Diamonds
27-2D2340B2B · Oct 29
£1,645 GBP
$2,190 USD
View
8 more retailers have this diamond
Prices start from £171 GBPSave up to £1,473 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
1.81ct Princess
£171 GBP