Marquise|Lab Grown|IGI

3.05ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG840648327

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840648327

Diamond specifications and retailer prices

From £593 GBP
$795 USD
As of October 30, 2026
Save £2,154 GBP (78%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £3,251 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840648327 or 840648327. Listed at 25 retailers as of October 30, 2026, with a 363% 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

3.05
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840648327
Dimensions15.79 × 7.32 × 4.47 mm
L/W Ratio2.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.79 mm7.32 mm3.05 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840648327
Side View
Table 62.0%Crown 38.7°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 61.1%

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: £1,553 GBP|Low: £593 GBP|High: £2,800 GBP|Avg: £1,441 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
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Retailer 22
October 31, 2026
Retailer 4£593 GBP
Retailer 22£645 GBP
Retailer 8£664 GBP
Retailer 13£688 GBP
Retailer 14£696 GBP
Retailer 16£800 GBP
Retailer 6£821 GBP
Retailer 3£965 GBP
Retailer 20£985 GBP
Retailer 19£1,042 GBP
Retailer 12£1,055 GBP
Retailer 7£1,390 GBP
Retailer 1£1,553 GBP
Retailer 18£1,597 GBP
Retailer 5£1,636 GBP
Retailer 10£1,934 GBP
Retailer 21£2,138 GBP
Retailer 15£2,190 GBP
Retailer 9£2,378 GBP
Retailer 2£2,463 GBP
Retailer 17£2,592 GBP
Retailer 11£2,748 GBP

22 data points across 22 retailers

25 retailers£593 GBP to £2,748 GBP

A
Cheapest Retailer
-
£593 GBP
$795 USD
A
Retailer 2
-
£645 GBP
$864 USD
View
A
Retailer 3
-
£664 GBP
$890 USD
View
Final sale: no returns
A
Retailer 4
-
£688 GBP
$922 USD
View
Retailer 5
-
£696 GBP
$932 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£800 GBP
View
A
Retailer 7
-
£821 GBP
$1,100 USD
View
A
Retailer 8
-
£965 GBP
$1,293 USD
View
A
Retailer 9
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£985 GBP
$1,320 USD
View
A
Retailer 10
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£1,042 GBP
€1,330 EUR
View
A
Retailer 11
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£1,055 GBP
View
B+
Retailer 12
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£1,390 GBP
$1,863 USD
View
B+
Retailer 13
-
£1,553 GBP
A$3,202 AUD
View
B+
Retailer 14
-
£1,597 GBP
ZAR 34,570 ZAR
View
B+
Retailer 15
-
£1,636 GBP
$2,192 USD
View
B+
Retailer 16
-
£1,934 GBP
$2,591 USD
View
B
Retailer 17
-
£2,138 GBP
View
B
Retailer 18
-
£2,190 GBP
$2,934 USD
View
B+
Retailer 19
-
£2,378 GBP
$3,187 USD
View
B+
Retailer 20
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£2,463 GBP
$3,300 USD
View
B
Retailer 21
-
£2,592 GBP
View
Retailer 22
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£2,663 GBP
A$5,489 AUD
View
Price last confirmed 23 days ago
B
Retailer 23
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£2,748 GBP
SGD 4,975 SGD
View
Retailer 24
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£2,858 GBP
$3,830 USD
View
Price last confirmed 24 days ago
Most Expensive
Helzberg Diamonds
ZXZOKGMKOJIN · Oct 13
£3,251 GBP
$4,356 USD
View
Price last confirmed 18 days ago
24 more retailers have this diamond
Prices start from £593 GBPSave up to £2,154 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
3.05ct Marquise
£593 GBP