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Marquise|Lab Grown|IGI

1.34ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG801694446

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801694446

Diamond specifications and retailer prices

From £233 GBP
As of November 4, 2026
Save £1,834 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,067 GBP at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.34ct lab-grown marquise diamond

This 1.34ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801694446 or 801694446. Listed at 16 retailers as of November 4, 2026, with prices from £233 to £2,067, a £1,834 spread on the same certified stone. Do Amore Diamonds lists it at £2,067. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.34
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694446
Dimensions11.83 × 5.64 × 3.38 mm
L/W Ratio2.10
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
11.83 mm5.64 mm1.34 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694446
Side View
Table 59.0%Crown 35.4°Girdle: Slightly ThickPavilion 38.2°Culet: NoneDepth 59.9%

Caratlytics Score

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A+
Exceptional
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: £2,067 GBP|Low: £233 GBP|High: £2,600 GBP|Avg: £984 GBP|-11.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
November 5, 2026
Retailer 12£233 GBP
Retailer 3£270 GBP
Retailer 9£327 GBP
Retailer 13£408 GBP
Retailer 5£426 GBP
Retailer 15£469 GBP
Retailer 11£540 GBP
Retailer 6£557 GBP
Retailer 7£610 GBP
Retailer 14£846 GBP
Retailer 16£1,024 GBP
Retailer 2£1,241 GBP
Retailer 8£1,709 GBP
Retailer 4£1,733 GBP
Retailer 10£1,733 GBP
Do Amore Diamonds£2,067 GBP

41 data points across 16 retailers

16 retailers£233 GBP to £2,067 GBP

A+
Cheapest Retailer
-
£233 GBP
A
Retailer 2
-
£270 GBP
View
A
Retailer 3
-
£327 GBP
View
A
Retailer 4
-
£408 GBP
View
A
Retailer 5
-
£426 GBP
View
A
Retailer 6
-
£469 GBP
View
A
Retailer 7
-
£540 GBP
View
A
Retailer 8
-
£557 GBP
View
A
Retailer 9
-
£610 GBP
View
B+
Retailer 10
-
£846 GBP
View
B+
Retailer 11
-
£1,024 GBP
View
B+
Retailer 12
-
£1,241 GBP
View
Retailer 13
-
£1,707 GBP
View
Price last confirmed 8 days ago
Retailer 14
-
£1,733 GBP
View
Price last confirmed 8 days ago
B+
Retailer 15
-
£1,733 GBP
View
Most Expensive
B
Do Amore Diamonds
27-FFBA16E63 · Nov 5
£2,067 GBP
$2,790 USD
View
15 more retailers have this diamond
Prices start from £233 GBPSave up to £1,834 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+
1.34ct Marquise
£233 GBP