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Marquise|Lab Grown|IGI

0.78ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG791620647

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791620647

Diamond specifications and retailer prices

From £133 GBP
$178 USD
As of November 2, 2026
Save £866 GBP (87%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £999 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 0.78ct lab-grown marquise diamond

This 0.78ct lab-grown marquise sits in the just-under-one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG791620647 or 791620647. Listed at 27 retailers as of November 2, 2026, with prices from £133 to £999, a £866 spread on the same certified stone. Do Amore Diamonds lists it at £999. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791620647
Dimensions9.52 × 4.78 × 2.93 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.52 mm4.78 mm0.78 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791620647
Side View
Table 60.0%Crown 34.3°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 61.3%

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: Nov 2
Current: £999 GBP|Low: £131 GBP|High: £999 GBP|Avg: £369 GBP
Do Amore Diamonds
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November 2, 2026
Retailer 2£133 GBP
Retailer 20£145 GBP
Retailer 15£148 GBP
Retailer 25£154 GBP
Retailer 28£165 GBP
Retailer 11£191 GBP
Retailer 18£216 GBP
Retailer 7£238 GBP
Retailer 19£245 GBP
Retailer 9£246 GBP
Retailer 23£281 GBP
Retailer 6£297 GBP
Retailer 26£330 GBP
Retailer 24£332 GBP
Retailer 13£349 GBP
Retailer 30£361 GBP
Retailer 3£406 GBP
Retailer 21£426 GBP
Retailer 12£440 GBP
Retailer 5£459 GBP
Retailer 22£462 GBP
Retailer 16£464 GBP
Retailer 4£503 GBP
Retailer 29£583 GBP
Retailer 17£584 GBP
Retailer 8£593 GBP
Retailer 14£712 GBP
Retailer 10£838 GBP
Retailer 27£849 GBP
Do Amore Diamonds£999 GBP

25 data points across 30 retailers

27 retailers£133 GBP to £999 GBP

A
Cheapest Retailer
-
£133 GBP
$178 USD
A
Retailer 2
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£148 GBP
$199 USD
View
Final sale: no returns
A
Retailer 3
-
£154 GBP
$206 USD
View
A
Retailer 4
-
£165 GBP
$221 USD
View
A
Retailer 5
-
£191 GBP
$256 USD
View
Retailer 6
-
£216 GBP
$290 USD
View
Price last confirmed 29 days ago
A
Retailer 7
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£238 GBP
$319 USD
View
A
Retailer 8
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£246 GBP
$330 USD
View
A
Retailer 9
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£268 GBP
$359 USD
View
Retailer 10
-
£281 GBP
$378 USD
View
Price last confirmed 31 days ago
B+
Retailer 11
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£330 GBP
ZAR 7,150 ZAR
View
B+
Retailer 12
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£332 GBP
View
B+
Retailer 13
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£349 GBP
View
B+
Retailer 14
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£361 GBP
$485 USD
View
B+
Retailer 15
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£406 GBP
A$838 AUD
View
Retailer 16
-
£426 GBP
A$880 AUD
View
Price last confirmed 33 days ago
B+
Retailer 17
-
£440 GBP
$590 USD
View
B
Retailer 18
-
£459 GBP
$616 USD
View
B
Retailer 19
-
£464 GBP
A$957 AUD
View
B
Retailer 20
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£503 GBP
CA$937 CAD
View
B
Retailer 21
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£583 GBP
$783 USD
View
B
Retailer 22
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£584 GBP
$783 USD
View
B
Retailer 23
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£593 GBP
$796 USD
View
B
Retailer 24
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£712 GBP
$956 USD
View
B
Retailer 25
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£838 GBP
$1,125 USD
View
B
Retailer 26
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£849 GBP
View
Most Expensive
B
Do Amore Diamonds
20-D77119 · Nov 2
£999 GBP
$1,340 USD
View
26 more retailers have this diamond
Prices start from £133 GBPSave up to £866 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
0.78ct Marquise
£133 GBP