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Marquise|Lab Grown|IGI

1.35ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG800685268

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800685268

Diamond specifications and retailer prices

From £329 GBP
As of November 4, 2026
Save £1,753 GBP (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,082 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.35ct lab-grown marquise diamond

This 1.35ct 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 LG800685268 or 800685268. Listed at 11 retailers as of November 4, 2026, with prices from £329 to £2,082, a £1,753 spread on the same certified stone. Do Amore Diamonds lists it at £2,082. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800685268
Dimensions11.60 × 5.74 × 3.60 mm
L/W Ratio2.02
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
11.60 mm5.74 mm1.35 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800685268
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £2,082 GBP|Low: £213 GBP|High: £2,356 GBP|Avg: £835 GBP|-11.6%
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
November 5, 2026
Retailer 4£213 GBP
Retailer 5£329 GBP
Retailer 8£410 GBP
Retailer 6£426 GBP
Retailer 9£472 GBP
Retailer 10£565 GBP
Retailer 12£582 GBP
Retailer 3£610 GBP
Retailer 7£852 GBP
Retailer 2£1,249 GBP
Retailer 11£1,722 GBP
Do Amore Diamonds£2,082 GBP

31 data points across 12 retailers

11 retailers£329 GBP to £2,082 GBP

A
Cheapest Retailer
-
£329 GBP
A
Retailer 2
-
£410 GBP
View
A
Retailer 3
-
£426 GBP
View
A
Retailer 4
-
£472 GBP
View
A
Retailer 5
-
£565 GBP
View
Retailer 6
-
£582 GBP
View
Price last confirmed 9 days ago
A
Retailer 7
-
£610 GBP
View
B+
Retailer 8
-
£852 GBP
View
B+
Retailer 9
-
£1,249 GBP
View
Retailer 10
-
£1,722 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-56CBFEFA2 · Nov 4
£2,082 GBP
$2,810 USD
View
10 more retailers have this diamond
Prices start from £329 GBPSave up to £1,753 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
1.35ct Marquise
£329 GBP