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Princess|Lab Grown|IGI

1.80ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG570367200

Shape and cutting style on the report: Princess cut

Certificate IGI LG570367200

Diamond specifications and retailer prices

From £226 GBP
$301 USD
As of October 27, 2026
Save £1,779 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,005 GBP at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 1.8ct lab-grown princess diamond

This 1.8ct 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 LG570367200 or 570367200. Listed at 18 retailers as of October 27, 2026, with prices from £226 to £2,005, a £1,779 spread on the same certified stone. Do Amore Diamonds lists it at £2,005. 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

1.80
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570367200
Dimensions6.58 × 6.56 × 4.69 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
6.58 mm6.56 mm1.80 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570367200
Side View
Table 69.5%Crown 41.9°Girdle: MediumPavilion 38.6°Culet: NoneDepth 71.5%

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: £2,005 GBP|Low: £178 GBP|High: £2,005 GBP|Avg: £741 GBP|+17.1%
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
Retailer 15
October 29, 2026
Retailer 11£226 GBP
Retailer 14£280 GBP
Retailer 15£280 GBP
Retailer 9£375 GBP
Retailer 12£375 GBP
Retailer 8£398 GBP
Retailer 3£459 GBP
Retailer 2£552 GBP
Retailer 6£725 GBP
Retailer 10£861 GBP
Retailer 5£995 GBP
Retailer 7£1,017 GBP
Retailer 4£1,115 GBP
Retailer 13£1,246 GBP
Do Amore Diamonds£2,005 GBP

31 data points across 15 retailers

18 retailers£226 GBP to £2,005 GBP

A
Retailer 1
-
£178 GBP
$237 USD
Price last confirmed 37 days ago
A
Retailer 2
-
£207 GBP
$275 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
£218 GBP
$290 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
£226 GBP
$301 USD
View
A
Retailer 5
-
£280 GBP
$373 USD
View
A
Retailer 6
-
£280 GBP
$373 USD
View
A
Retailer 7
-
£375 GBP
$500 USD
View
A
Retailer 8
-
£375 GBP
$500 USD
View
B+
Retailer 9
-
£398 GBP
View
B+
Retailer 10
-
£459 GBP
$611 USD
View
B+
Retailer 11
-
£552 GBP
View
B
Retailer 12
-
£725 GBP
$965 USD
View
B
Retailer 13
-
£861 GBP
$1,147 USD
View
B
Retailer 14
-
£995 GBP
$1,325 USD
View
B
Retailer 15
-
£1,017 GBP
$1,354 USD
View
B
Retailer 16
-
£1,115 GBP
$1,485 USD
View
B
Retailer 17
-
£1,246 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C962B69AB · Oct 28
£2,005 GBP
$2,670 USD
View
17 more retailers have this diamond
Prices start from £226 GBPSave up to £1,779 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
1.80ct Princess
£226 GBP