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Princess|Lab Grown|IGI

1.80ct F SI1 Princess Lab Grown Diamond

GD • F/SI1 • IGI LG570374460

Shape and cutting style on the report: Princess cut

Certificate IGI LG570374460

Diamond specifications and retailer prices

From £225 GBP
$302 USD
As of November 2, 2026
Save £1,772 GBP (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,997 GBP at Do Amore Diamonds · As of November 1, 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 F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG570374460 or 570374460. Listed at 19 retailers as of November 1, 2026, with prices from £225 to £1,997, a £1,772 spread on the same certified stone. Do Amore Diamonds lists it at £1,997. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.80
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570374460
Dimensions6.72 × 6.60 × 4.57 mm
L/W Ratio1.02
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
6.72 mm6.60 mm1.80 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570374460
Side View
Table 70.0%Crown 42.1°Girdle: MediumPavilion 37.8°Culet: NoneDepth 69.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,997 GBP|Low: £177 GBP|High: £1,997 GBP|Avg: £709 GBP
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
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Retailer 16
November 2, 2026
Retailer 13£225 GBP
Retailer 3£279 GBP
Retailer 16£279 GBP
Retailer 14£379 GBP
Retailer 11£380 GBP
Retailer 2£394 GBP
Retailer 4£455 GBP
Retailer 9£551 GBP
Retailer 7£719 GBP
Retailer 15£753 GBP
Retailer 12£857 GBP
Retailer 6£990 GBP
Retailer 8£1,009 GBP
Retailer 5£1,109 GBP
Retailer 10£1,241 GBP
Do Amore Diamonds£1,997 GBP

33 data points across 16 retailers

19 retailers£225 GBP to £1,997 GBP

Retailer 1
-
£177 GBP
$237 USD
Price last confirmed 41 days ago
Retailer 2
-
£205 GBP
$275 USD
View
Price last confirmed 27 days ago
Retailer 3
-
£216 GBP
$290 USD
View
Price last confirmed 40 days ago
B+
Retailer 4
-
£225 GBP
$302 USD
View
Retailer 5
-
£279 GBP
$374 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£279 GBP
$374 USD
View
B+
Retailer 7
-
£379 GBP
$509 USD
View
B+
Retailer 8
-
£380 GBP
$510 USD
View
B+
Retailer 9
-
£394 GBP
View
B+
Retailer 10
-
£455 GBP
$611 USD
View
B
Retailer 11
-
£551 GBP
View
B
Retailer 12
-
£719 GBP
$965 USD
View
B
Retailer 13
-
£753 GBP
$1,010 USD
View
B
Retailer 14
-
£857 GBP
$1,150 USD
View
B
Retailer 15
-
£990 GBP
$1,328 USD
View
B
Retailer 16
-
£1,009 GBP
$1,354 USD
View
B
Retailer 17
-
£1,109 GBP
$1,489 USD
View
C
Retailer 18
-
£1,241 GBP
View
Most Expensive
C
Do Amore Diamonds
27-B60B84673 · Nov 1
£1,997 GBP
$2,680 USD
View
18 more retailers have this diamond
Prices start from £225 GBPSave up to £1,772 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.

B+
1.80ct Princess
£225 GBP