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Marquise|Lab Grown|IGI

2.62ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG728525069

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG728525069

Diamond specifications and retailer prices

From £818 GBP
$1,096 USD
As of October 30, 2026
Save £4,130 GBP (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £6,127 GBP at Brilliant Earth · As of October 12, 2026
View at Brilliant Earth

About this 2.62ct lab-grown marquise diamond

This 2.62ct 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 LG728525069 or 728525069. Listed at 26 retailers as of October 30, 2026, with a 505% 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

2.62
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728525069
Dimensions14.27 × 7.13 × 4.50 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
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
14.27 mm7.13 mm2.62 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728525069
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 63.1%

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: £4,948 GBP|Low: £818 GBP|High: £6,177 GBP|Avg: £2,634 GBP|-19.2%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 14£818 GBP
Retailer 8£890 GBP
Retailer 3£915 GBP
Retailer 7£949 GBP
Retailer 17£1,078 GBP
Retailer 9£1,128 GBP
Retailer 10£1,357 GBP
Retailer 2£1,375 GBP
Retailer 16£1,447 GBP
Retailer 20£1,754 GBP
Retailer 4£1,778 GBP
Retailer 5£2,122 GBP
Retailer 13£2,252 GBP
Retailer 15£2,447 GBP
Retailer 12£2,616 GBP
Retailer 19£2,857 GBP
Retailer 18£3,222 GBP
Retailer 11£3,316 GBP
Retailer 6£3,431 GBP
Retailer 21£3,948 GBP
Brilliant Earth£4,948 GBP

34 data points across 21 retailers

26 retailers£818 GBP to £4,948 GBP

A
Cheapest Retailer
-
£818 GBP
$1,096 USD
A
Retailer 2
-
£890 GBP
$1,192 USD
View
A
Retailer 3
-
£915 GBP
$1,226 USD
View
Final sale: no returns
Retailer 4
-
£949 GBP
$1,271 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£949 GBP
$1,271 USD
View
A
Retailer 6
-
£1,078 GBP
$1,445 USD
View
A
Retailer 7
-
£1,128 GBP
$1,511 USD
View
A
Retailer 8
-
£1,357 GBP
$1,818 USD
View
A
Retailer 9
-
£1,375 GBP
View
A
Retailer 10
-
£1,447 GBP
€1,846 EUR
View
A
Retailer 11
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£1,754 GBP
$2,350 USD
View
A
Retailer 12
-
£1,778 GBP
$2,382 USD
View
A
Retailer 13
-
£2,122 GBP
$2,843 USD
View
A
Retailer 14
-
£2,252 GBP
A$4,642 AUD
View
A
Retailer 15
-
£2,447 GBP
ZAR 52,975 ZAR
View
A
Retailer 16
-
£2,616 GBP
View
A
Retailer 17
-
£2,857 GBP
$3,828 USD
View
Retailer 18
-
£3,120 GBP
$4,180 USD
View
Price last confirmed 23 days ago
A
Retailer 19
-
£3,222 GBP
View
B+
Retailer 20
-
£3,316 GBP
$4,443 USD
View
B+
Retailer 21
-
£3,431 GBP
$4,597 USD
View
B+
Retailer 22
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£3,948 GBP
$5,290 USD
View
Retailer 23
-
£4,948 GBP
$6,630 USD
View
Price last confirmed 18 days ago
B+
Retailer 24
-
£4,948 GBP
$6,630 USD
View
Retailer 25
-
£5,016 GBP
A$10,340 AUD
View
Price last confirmed 120 days ago
Most Expensive
Brilliant Earth
15559773A · Oct 12
£6,127 GBP
$8,210 USD
View
Price last confirmed 20 days ago
25 more retailers have this diamond
Prices start from £818 GBPSave up to £4,130 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
2.62ct Marquise
£818 GBP