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Marquise|Lab Grown|IGI

1.01ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG787624310

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787624310

Diamond specifications and retailer prices

From £193 GBP
As of November 4, 2026
Save £1,340 GBP (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,533 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.01ct lab-grown marquise diamond

This 1.01ct 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 LG787624310 or 787624310. Listed at 24 retailers as of November 4, 2026, with prices from £193 to £1,533, a £1,340 spread on the same certified stone. Brilliant Earth lists it at £1,533. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787624310
Dimensions9.92 × 5.33 × 3.33 mm
L/W Ratio1.86
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
9.92 mm5.33 mm1.01 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787624310
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
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: £1,533 GBP|Low: £193 GBP|High: £2,000 GBP|Avg: £564 GBP|-23.3%
Brilliant Earth
Retailer 2
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November 4, 2026
Retailer 4£193 GBP
Retailer 10£216 GBP
Retailer 18£224 GBP
Retailer 8£239 GBP
Retailer 2£246 GBP
Retailer 9£265 GBP
Retailer 21£327 GBP
Retailer 15£359 GBP
Retailer 17£413 GBP
Retailer 20£419 GBP
Retailer 7£423 GBP
Retailer 13£453 GBP
Retailer 14£487 GBP
Retailer 16£581 GBP
Retailer 11£642 GBP
Retailer 12£770 GBP
Retailer 3£807 GBP
Retailer 6£842 GBP
Retailer 19£959 GBP
Retailer 5£1,027 GBP
Brilliant Earth£1,533 GBP

30 data points across 21 retailers

24 retailers£193 GBP to £1,533 GBP

A
Cheapest Retailer
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£193 GBP
A
Retailer 2
-
£216 GBP
View
Final sale: no returns
A
Retailer 3
-
£224 GBP
View
A
Retailer 4
-
£239 GBP
View
A
Retailer 5
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£246 GBP
View
A
Retailer 6
-
£265 GBP
View
Retailer 7
-
£301 GBP
View
Price last confirmed 10 days ago
A
Retailer 8
-
£327 GBP
View
A
Retailer 9
-
£359 GBP
View
A
Retailer 10
-
£413 GBP
View
A
Retailer 11
-
£419 GBP
View
A
Retailer 12
-
£423 GBP
View
A
Retailer 13
-
£453 GBP
View
Retailer 14
-
£487 GBP
View
Price last confirmed 10 days ago
B+
Retailer 15
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£581 GBP
View
B+
Retailer 16
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£610 GBP
View
B+
Retailer 17
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£642 GBP
View
B+
Retailer 18
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£770 GBP
View
B
Retailer 19
-
£807 GBP
View
B
Retailer 20
-
£842 GBP
View
B+
Retailer 21
-
£959 GBP
View
B
Retailer 22
-
£1,027 GBP
View
Retailer 23
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£1,489 GBP
View
Price last confirmed 35 days ago
Most Expensive
B
Brilliant Earth
20381037A · Nov 4
£1,533 GBP
$2,070 USD
View
23 more retailers have this diamond
Prices start from £193 GBPSave up to £1,340 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
1.01ct Marquise
£193 GBP