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Marquise|Lab Grown|IGI

0.87ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG798612219

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG798612219

Diamond specifications and retailer prices

From £473 GBP
As of November 4, 2026
Save £1,556 GBP (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,028 GBP at Riddles Jewelry · As of November 4, 2026
View at Riddles Jewelry

About this 0.87ct lab-grown marquise diamond

This 0.87ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG798612219 or 798612219. Listed at 17 retailers as of November 4, 2026, with prices from £473 to £2,028, a £1,556 spread on the same certified stone. Riddles Jewelry lists it at £2,028. 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

0.87
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG798612219
Dimensions9.82 × 4.99 × 3.12 mm
L/W Ratio1.97
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
9.82 mm4.99 mm0.87 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG798612219
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,601 GBP|Low: £437 GBP|High: £1,624 GBP|Avg: £815 GBP|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 11£437 GBP
Retailer 2£575 GBP
Retailer 7£636 GBP
Retailer 10£697 GBP
Retailer 9£704 GBP
Retailer 4£718 GBP
Retailer 6£752 GBP
Retailer 5£794 GBP
Retailer 3£967 GBP
Retailer 8£1,062 GBP
Retailer 1£1,601 GBP

42 data points across 11 retailers

17 retailers£473 GBP to £2,028 GBP

Retailer 1
-
£437 GBP
Price last confirmed 20 days ago
A
Retailer 2
-
£473 GBP
View
A
Retailer 3
-
£483 GBP
View
B+
Retailer 4
-
£575 GBP
View
Retailer 5
-
£636 GBP
View
Price last confirmed 9 days ago
B+
Retailer 6
-
£697 GBP
View
B+
Retailer 7
-
£704 GBP
View
B+
Retailer 8
-
£718 GBP
View
B+
Retailer 9
-
£752 GBP
View
B+
Retailer 10
-
£794 GBP
View
B
Retailer 11
-
£967 GBP
View
B+
Retailer 12
-
£1,062 GBP
View
B
Retailer 13
-
£1,427 GBP
View
B
Retailer 14
-
£1,461 GBP
View
B
Retailer 15
-
£1,601 GBP
View
B
Retailer 16
-
£1,622 GBP
View
Most Expensive
B
Riddles Jewelry
1966207545 · Nov 4
£2,028 GBP
$2,730 USD
View
16 more retailers have this diamond
Prices start from £473 GBPSave up to £1,556 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
0.87ct Marquise
£473 GBP