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Marquise|Lab Grown|IGI

1.02ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611668

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611668

Diamond specifications and retailer prices

From £234 GBP
As of November 4, 2026
Save £1,788 GBP (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,022 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.02ct lab-grown marquise diamond

This 1.02ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611668 or 790611668. Listed at 23 retailers as of November 4, 2026, with prices from £234 to £2,022, a £1,788 spread on the same certified stone. Brilliant Earth lists it at £2,022. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611668
Dimensions10.05 × 5.29 × 3.33 mm
L/W Ratio1.90
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
10.05 mm5.29 mm1.02 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611668
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.9%

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 4
Current: £2,022 GBP|Low: £234 GBP|High: £2,022 GBP|Avg: £655 GBP|+0.4%
Brilliant Earth
Retailer 2
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November 4, 2026
Retailer 15£234 GBP
Retailer 11£261 GBP
Retailer 22£271 GBP
Retailer 7£290 GBP
Retailer 10£290 GBP
Retailer 2£298 GBP
Retailer 19£322 GBP
Retailer 20£404 GBP
Retailer 5£444 GBP
Retailer 6£467 GBP
Retailer 18£470 GBP
Retailer 9£472 GBP
Retailer 16£500 GBP
Retailer 13£512 GBP
Retailer 14£775 GBP
Retailer 21£851 GBP
Retailer 3£933 GBP
Retailer 8£966 GBP
Retailer 4£1,129 GBP
Retailer 12£1,158 GBP
Retailer 17£1,162 GBP
Brilliant Earth£2,022 GBP

30 data points across 22 retailers

23 retailers£234 GBP to £2,022 GBP

A
Cheapest Retailer
-
£234 GBP
A
Retailer 2
-
£261 GBP
View
Final sale: no returns
A
Retailer 3
-
£271 GBP
View
Retailer 4
-
£290 GBP
View
Price last confirmed 10 days ago
A
Retailer 5
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£290 GBP
View
A
Retailer 6
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£298 GBP
View
A
Retailer 7
-
£322 GBP
View
A
Retailer 8
-
£404 GBP
View
A
Retailer 9
-
£444 GBP
View
A
Retailer 10
-
£467 GBP
View
Retailer 11
-
£470 GBP
View
Price last confirmed 8 days ago
A
Retailer 12
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£472 GBP
View
B+
Retailer 13
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£500 GBP
View
B+
Retailer 14
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£512 GBP
View
B+
Retailer 15
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£775 GBP
View
B+
Retailer 16
-
£851 GBP
View
B+
Retailer 17
-
£933 GBP
View
B+
Retailer 18
-
£966 GBP
View
B
Retailer 19
-
£1,129 GBP
View
B+
Retailer 20
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£1,158 GBP
View
B
Retailer 21
-
£1,162 GBP
View
Retailer 22
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£1,489 GBP
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
19074212A · Nov 4
£2,022 GBP
$2,730 USD
View
22 more retailers have this diamond
Prices start from £234 GBPSave up to £1,788 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
1.02ct Marquise
£234 GBP