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Marquise|Lab Grown|IGI

0.78ct D FL Marquise Lab Grown Diamond

VG • D/FL • IGI LG825656603

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825656603

Diamond specifications and retailer prices

From £380 GBP
As of November 5, 2026
Save £1,164 GBP (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,544 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.78ct lab-grown marquise diamond

This 0.78ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG825656603 or 825656603. Listed at 18 retailers as of November 5, 2026, with prices from £380 to £1,544, a £1,164 spread on the same certified stone. MOH London lists it at £1,544. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.78
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825656603
Dimensions9.60 × 4.80 × 3.01 mm
L/W Ratio2.00
Girdle conditionFaceted
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
9.60 mm4.80 mm0.78 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825656603
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,544 GBP|Low: £360 GBP|High: £1,566 GBP|Avg: £880 GBP|+4.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 4£380 GBP
Retailer 3£442 GBP
Retailer 10£561 GBP
Retailer 11£593 GBP
Retailer 8£643 GBP
Retailer 2£690 GBP
Retailer 7£706 GBP
Retailer 6£765 GBP
Retailer 12£979 GBP
Retailer 9£1,132 GBP
Retailer 13£1,378 GBP
Retailer 5£1,496 GBP
MOH London£1,544 GBP

33 data points across 13 retailers

18 retailers£380 GBP to £1,544 GBP

Retailer 1
-
£340 GBP
Price last confirmed 28 days ago
Retailer 2
-
£360 GBP
View
Price last confirmed 37 days ago
A
Retailer 3
-
£380 GBP
View
Final sale: no returns
Retailer 4
-
£421 GBP
View
Price last confirmed 24 days ago
Retailer 5
-
£421 GBP
View
Price last confirmed 33 days ago
B+
Retailer 6
-
£442 GBP
View
Retailer 7
-
£561 GBP
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£593 GBP
View
Retailer 9
-
£643 GBP
View
Price last confirmed 11 days ago
B+
Retailer 10
-
£690 GBP
View
B+
Retailer 11
-
£706 GBP
View
B
Retailer 12
-
£765 GBP
View
B
Retailer 13
-
£979 GBP
View
B
Retailer 14
-
£1,132 GBP
View
Retailer 15
-
£1,354 GBP
View
Price last confirmed 32 days ago
B
Retailer 16
-
£1,378 GBP
View
B
Retailer 17
-
£1,496 GBP
View
Most Expensive
B
MOH London
LG825656603 · Nov 5
£1,544 GBP
View
17 more retailers have this diamond
Prices start from £380 GBPSave up to £1,164 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
£380 GBP