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Marquise|Lab Grown|IGI

1.30ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG788675253

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788675253

Diamond specifications and retailer prices

From £721 GBP
CA$1,343 CAD
As of October 30, 2026
Save £233 GBP (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £955 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 1.3ct lab-grown marquise diamond

This 1.3ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG788675253 or 788675253. Listed at 3 retailers as of October 30, 2026, with prices from £721 to £955, a £233 spread on the same certified stone. The Diamond Guys lists it at £955. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788675253
Dimensions10.65 × 5.68 × 3.70 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.65 mm5.68 mm1.30 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788675253
Side View
Table 58.0%Crown 37.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 65.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: £838 GBP|Low: £148 GBP|High: £1,776 GBP|Avg: £761 GBP|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
The Diamond Guys
August 3, 2026
Retailer 11£398 GBP
Retailer 2£458 GBP
Retailer 7£492 GBP
Retailer 8£505 GBP
Retailer 5£507 GBP
Retailer 13£629 GBP
Retailer 9£721 GBP
Retailer 6£765 GBP
Retailer 4£810 GBP
Retailer 12£831 GBP
Retailer 1£838 GBP
Retailer 10£894 GBP
The Diamond Guys£955 GBP
Retailer 3£1,664 GBP

33 data points across 14 retailers

3 retailers£721 GBP to £955 GBP

B+
Cheapest Retailer
-
£721 GBP
CA$1,343 CAD
Retailer 2
-
£838 GBP
A$1,727 AUD
View
Price last confirmed 122 days ago
Most Expensive
B
The Diamond Guys
1955241230 · Oct 30
£955 GBP
$1,279 USD
View
2 more retailers have this diamond
Prices start from £721 GBPSave up to £233 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.

B+
1.30ct Marquise
£721 GBP