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Marquise|Lab Grown|IGI

1.43ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG800658680

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800658680

Diamond specifications and retailer prices

From £152 GBP
$203 USD
As of October 23, 2026
Save £1,312 GBP (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,464 GBP at Do Amore Diamonds · As of October 26, 2026
View at Do Amore Diamonds

About this 1.43ct lab-grown marquise diamond

This 1.43ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG800658680 or 800658680. Listed at 14 retailers as of October 23, 2026, with prices from £152 to £1,464, a £1,312 spread on the same certified stone. Do Amore Diamonds lists it at £1,464. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800658680
Dimensions11.57 × 5.82 × 3.74 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.57 mm5.82 mm1.43 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800658680
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.3%

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 23
Current: £1,464 GBP|Low: £95 GBP|High: £1,660 GBP|Avg: £486 GBP|-11.8%
Do Amore Diamonds
Retailer 2
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October 25, 2026
Retailer 11£95 GBP
Retailer 14£116 GBP
Retailer 20£152 GBP
Retailer 4£226 GBP
Retailer 3£255 GBP
Retailer 12£301 GBP
Retailer 13£337 GBP
Retailer 6£341 GBP
Retailer 18£347 GBP
Retailer 10£363 GBP
Retailer 5£430 GBP
Retailer 16£510 GBP
Retailer 21£611 GBP
Retailer 7£623 GBP
Retailer 9£658 GBP
Retailer 2£671 GBP
Retailer 19£679 GBP
Retailer 15£839 GBP
Retailer 8£883 GBP
Retailer 17£1,141 GBP
Do Amore Diamonds£1,464 GBP

15 data points across 21 retailers

14 retailers£152 GBP to £1,464 GBP

A
Cheapest Retailer
-
£152 GBP
$203 USD
A
Retailer 2
-
£226 GBP
$300 USD
View
B+
Retailer 3
-
£255 GBP
$339 USD
View
A
Retailer 4
-
£337 GBP
€427 EUR
View
A
Retailer 5
-
£347 GBP
$462 USD
View
A
Retailer 6
-
£430 GBP
$573 USD
View
B+
Retailer 7
-
£510 GBP
A$1,044 AUD
View
B+
Retailer 8
-
£611 GBP
$813 USD
View
Retailer 9
-
£658 GBP
$876 USD
View
Price last confirmed 50 days ago
B+
Retailer 10
-
£671 GBP
A$1,375 AUD
View
B+
Retailer 11
-
£679 GBP
$905 USD
View
B
Retailer 12
-
£839 GBP
View
B
Retailer 13
-
£1,141 GBP
$1,520 USD
View
Most Expensive
B
Do Amore Diamonds
27-BE37479C3 · Oct 26
£1,464 GBP
$1,950 USD
View
13 more retailers have this diamond
Prices start from £152 GBPSave up to £1,312 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
1.43ct Marquise
£152 GBP