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Marquise|Lab Grown|IGI

0.77ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG790611930

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611930

Diamond specifications and retailer prices

From £161 GBP
As of November 4, 2026
Save £764 GBP (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £924 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 0.77ct lab-grown marquise diamond

This 0.77ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611930 or 790611930. Listed at 22 retailers as of November 4, 2026, with prices from £161 to £924, a £764 spread on the same certified stone. Reve Diamonds lists it at £924. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.77
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611930
Dimensions9.72 × 4.79 × 2.93 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
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
9.72 mm4.79 mm0.77 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611930
Side View
Table 58.0%Crown 32.3°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £796 GBP|Low: £161 GBP|High: £1,099 GBP|Avg: £459 GBP|-27.5%
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Reve Diamonds
November 5, 2026
Retailer 18£161 GBP
Retailer 7£179 GBP
Retailer 19£187 GBP
Retailer 21£199 GBP
Retailer 14£213 GBP
Retailer 5£227 GBP
Retailer 12£311 GBP
Retailer 10£342 GBP
Retailer 11£354 GBP
Retailer 20£361 GBP
Retailer 2£366 GBP
Retailer 15£366 GBP
Retailer 4£375 GBP
Retailer 16£509 GBP
Retailer 8£538 GBP
Retailer 3£641 GBP
Retailer 17£643 GBP
Retailer 13£674 GBP
Retailer 6£679 GBP
Retailer 9£779 GBP
Retailer 1£796 GBP
Reve Diamonds£924 GBP

36 data points across 22 retailers

22 retailers£161 GBP to £924 GBP

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Cheapest Retailer
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£161 GBP
A
Retailer 2
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£179 GBP
View
Final sale: no returns
A
Retailer 3
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£187 GBP
View
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Retailer 4
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£199 GBP
View
Retailer 5
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£213 GBP
View
Price last confirmed 11 days ago
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Retailer 6
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£227 GBP
View
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Retailer 7
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£311 GBP
View
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Retailer 8
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£342 GBP
View
Retailer 9
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£354 GBP
View
Price last confirmed 9 days ago
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Retailer 10
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£361 GBP
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Retailer 11
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£366 GBP
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Retailer 12
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£366 GBP
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Retailer 13
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£375 GBP
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B+
Retailer 14
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£509 GBP
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B+
Retailer 15
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£538 GBP
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Retailer 16
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£641 GBP
View
B+
Retailer 17
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£643 GBP
View
B+
Retailer 18
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£674 GBP
View
B+
Retailer 19
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£679 GBP
View
B
Retailer 20
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£779 GBP
View
B+
Retailer 21
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£796 GBP
View
Most Expensive
B
Reve Diamonds
37994C00C · Nov 4
£924 GBP
$1,248 USD
View
21 more retailers have this diamond
Prices start from £161 GBPSave up to £764 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
0.77ct Marquise
£161 GBP