Marquise|Lab Grown|IGI

1.83ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG801694267

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801694267

Diamond specifications and retailer prices

From £574 GBP
$769 USD
As of October 30, 2026
Save £4,516 GBP (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,090 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.83ct lab-grown marquise diamond

This 1.83ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801694267 or 801694267. Listed at 14 retailers as of October 30, 2026, with prices from £574 to £5,090, a £4,516 spread on the same certified stone. Do Amore Diamonds lists it at £5,090. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694267
Dimensions13.01 × 6.27 × 3.99 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
13.01 mm6.27 mm1.83 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694267
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.6%

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 30
Current: £5,090 GBP|Low: £574 GBP|High: £6,717 GBP|Avg: £1,852 GBP|-24.2%
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
Retailer 14
October 30, 2026
Retailer 10£574 GBP
Retailer 3£624 GBP
Retailer 12£784 GBP
Retailer 7£811 GBP
Retailer 5£828 GBP
Retailer 6£944 GBP
Retailer 11£1,076 GBP
Retailer 8£1,238 GBP
Retailer 13£1,582 GBP
Retailer 14£2,065 GBP
Retailer 4£2,343 GBP
Retailer 2£2,746 GBP
Retailer 9£2,768 GBP
Do Amore Diamonds£5,090 GBP

39 data points across 14 retailers

14 retailers£574 GBP to £5,090 GBP

A
Cheapest Retailer
-
£574 GBP
$769 USD
A
Retailer 2
-
£624 GBP
$836 USD
View
A
Retailer 3
-
£784 GBP
$1,050 USD
View
A
Retailer 4
-
£811 GBP
View
A
Retailer 5
-
£828 GBP
$1,110 USD
View
A
Retailer 6
-
£944 GBP
$1,265 USD
View
A
Retailer 7
-
£1,076 GBP
$1,442 USD
View
A
Retailer 8
-
£1,238 GBP
€1,580 EUR
View
B+
Retailer 9
-
£1,582 GBP
$2,120 USD
View
B+
Retailer 10
-
£2,065 GBP
$2,767 USD
View
B+
Retailer 11
-
£2,343 GBP
$3,140 USD
View
B+
Retailer 12
-
£2,746 GBP
$3,680 USD
View
B+
Retailer 13
-
£2,768 GBP
View
Most Expensive
B
Do Amore Diamonds
27-8D1B3899D · Oct 30
£5,090 GBP
$6,820 USD
View
13 more retailers have this diamond
Prices start from £574 GBPSave up to £4,516 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
1.83ct Marquise
£574 GBP