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Marquise|Lab Grown|IGI

2.99ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG700585308

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG700585308

Diamond specifications and retailer prices

From £373 GBP
$497 USD
As of October 27, 2026
Save £1,360 GBP (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,951 GBP at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 2.99ct lab-grown marquise diamond

This 2.99ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG700585308 or 700585308. Listed at 19 retailers as of October 27, 2026, with a 364% 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

2.99
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700585308
Dimensions15.65 × 7.27 × 4.63 mm
L/W Ratio2.15
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.65 mm7.27 mm2.99 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700585308
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.7%

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 27
Current: £2,951 GBP|Low: £373 GBP|High: £2,996 GBP|Avg: £1,191 GBP|+0.8%
Brilliant Earth
Retailer 2
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Retailer 4
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 29, 2026
Retailer 4£373 GBP
Retailer 5£418 GBP
Retailer 16£418 GBP
Retailer 12£463 GBP
Retailer 18£567 GBP
Retailer 15£622 GBP
Retailer 13£682 GBP
Retailer 2£768 GBP
Retailer 10£795 GBP
Retailer 19£974 GBP
Retailer 7£1,206 GBP
Retailer 14£1,218 GBP
Retailer 3£1,350 GBP
Retailer 6£1,509 GBP
Retailer 11£1,573 GBP
Retailer 17£1,609 GBP
Retailer 8£1,733 GBP
Retailer 9£2,103 GBP
Brilliant Earth£2,951 GBP

35 data points across 19 retailers

19 retailers£373 GBP to £1,733 GBP

A
Cheapest Retailer
-
£373 GBP
$497 USD
A
Retailer 2
-
£418 GBP
$556 USD
View
Final sale: no returns
A
Retailer 3
-
£418 GBP
$557 USD
View
A
Retailer 4
-
£463 GBP
$617 USD
View
Retailer 5
-
£501 GBP
$667 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£567 GBP
$755 USD
View
B+
Retailer 7
-
£622 GBP
$828 USD
View
A
Retailer 8
-
£682 GBP
$908 USD
View
A
Retailer 9
-
£768 GBP
View
A
Retailer 10
-
£974 GBP
$1,297 USD
View
B+
Retailer 11
-
£1,206 GBP
$1,606 USD
View
B+
Retailer 12
-
£1,218 GBP
$1,622 USD
View
B+
Retailer 13
-
£1,350 GBP
View
B+
Retailer 14
-
£1,509 GBP
$2,009 USD
View
Retailer 15
-
£1,573 GBP
A$3,223 AUD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
£1,609 GBP
$2,143 USD
View
B+
Retailer 17
-
£1,733 GBP
$2,308 USD
View
Retailer 18
-
£2,103 GBP
View
Price last confirmed 10 days ago
Most Expensive
Brilliant Earth
16146847A · Oct 18
£2,951 GBP
$3,930 USD
View
Price last confirmed 11 days ago
18 more retailers have this diamond
Prices start from £373 GBPSave up to £1,360 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
2.99ct Marquise
£373 GBP