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Marquise|Lab Grown|IGI

2.83ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG735565017

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG735565017

Diamond specifications and retailer prices

From £1,259 GBP
$1,690 USD
As of October 30, 2026
Save £4,250 GBP (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £7,020 GBP at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 2.83ct lab-grown marquise diamond

This 2.83ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735565017 or 735565017. Listed at 24 retailers as of October 30, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.83
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735565017
Dimensions14.19 × 7.33 × 4.65 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.19 mm7.33 mm2.83 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735565017
Side View
Table 61.0%Crown 37.6°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 63.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £5,187 GBP|Low: £1,259 GBP|High: £7,251 GBP|Avg: £3,208 GBP|-26.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 6£1,259 GBP
Retailer 12£1,288 GBP
Retailer 5£1,461 GBP
Retailer 4£1,587 GBP
Retailer 15£2,070 GBP
Retailer 3£2,088 GBP
Retailer 19£2,253 GBP
Retailer 17£2,518 GBP
Retailer 10£2,571 GBP
Retailer 7£2,738 GBP
Retailer 9£3,021 GBP
Retailer 2£3,361 GBP
Retailer 14£3,467 GBP
Retailer 18£3,768 GBP
Retailer 13£4,171 GBP
Retailer 8£4,431 GBP
Retailer 11£5,125 GBP
Brilliant Earth£5,187 GBP
Retailer 16£5,509 GBP

33 data points across 19 retailers

24 retailers£1,259 GBP to £5,509 GBP

A
Cheapest Retailer
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£1,259 GBP
$1,690 USD
A
Retailer 2
-
£1,288 GBP
$1,729 USD
View
Final sale: no returns
A
Retailer 3
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£1,461 GBP
$1,960 USD
View
Retailer 4
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£1,461 GBP
$1,960 USD
View
Price last confirmed 21 days ago
A
Retailer 5
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£1,587 GBP
$2,130 USD
View
Retailer 6
-
£1,657 GBP
$2,224 USD
View
Price last confirmed 34 days ago
Retailer 7
-
£1,742 GBP
$2,338 USD
View
Price last confirmed 34 days ago
A
Retailer 8
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£2,070 GBP
View
A
Retailer 9
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£2,088 GBP
$2,802 USD
View
A
Retailer 10
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£2,253 GBP
€2,880 EUR
View
A
Retailer 11
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£2,518 GBP
$3,379 USD
View
A
Retailer 12
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£2,571 GBP
$3,450 USD
View
A
Retailer 13
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£2,738 GBP
$3,674 USD
View
A
Retailer 14
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£3,021 GBP
View
A
Retailer 15
-
£3,361 GBP
$4,510 USD
View
B+
Retailer 16
-
£3,467 GBP
A$7,158 AUD
View
B+
Retailer 17
-
£3,768 GBP
ZAR 81,689 ZAR
View
B+
Retailer 18
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£3,936 GBP
$5,282 USD
View
B+
Retailer 19
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£4,171 GBP
View
B+
Retailer 20
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£4,431 GBP
$5,947 USD
View
B+
Retailer 21
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£5,125 GBP
$6,877 USD
View
B+
Retailer 22
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£5,187 GBP
$6,960 USD
View
B+
Retailer 23
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£5,509 GBP
A$11,374 AUD
View
Most Expensive
Brilliant Earth
18171819A · Oct 23
£7,020 GBP
$9,420 USD
View
Price last confirmed 10 days ago
23 more retailers have this diamond
Prices start from £1,259 GBPSave up to £4,250 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
2.83ct Marquise
£1,259 GBP