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Marquise|Lab Grown|IGI

1.04ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG800611721

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800611721

Diamond specifications and retailer prices

From £199 GBP
$267 USD
As of October 30, 2026
Save £1,390 GBP (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,590 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.04ct lab-grown marquise diamond

This 1.04ct 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 LG800611721 or 800611721. Listed at 23 retailers as of October 30, 2026, with prices from £199 to £1,590, a £1,390 spread on the same certified stone. Brilliant Earth lists it at £1,590. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800611721
Dimensions10.58 × 5.40 × 3.28 mm
L/W Ratio1.96
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
10.58 mm5.40 mm1.04 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800611721
Side View
Table 59.0%Crown 33.7°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.7%

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: Oct 30
Current: £1,590 GBP|Low: £199 GBP|High: £2,082 GBP|Avg: £674 GBP|-23.7%
Brilliant Earth
Retailer 2
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Retailer 21
November 1, 2026
Retailer 19£199 GBP
Retailer 8£222 GBP
Retailer 5£248 GBP
Retailer 13£255 GBP
Retailer 6£277 GBP
Retailer 7£310 GBP
Retailer 18£340 GBP
Retailer 17£429 GBP
Retailer 3£449 GBP
Retailer 15£475 GBP
Retailer 12£500 GBP
Retailer 11£532 GBP
Retailer 14£615 GBP
Retailer 9£666 GBP
Retailer 16£761 GBP
Retailer 10£796 GBP
Retailer 4£834 GBP
Retailer 21£874 GBP
Retailer 2£992 GBP
Retailer 20£1,052 GBP
Brilliant Earth£1,590 GBP

31 data points across 21 retailers

23 retailers£199 GBP to £1,590 GBP

A
Cheapest Retailer
-
£199 GBP
$267 USD
A
Retailer 2
-
£222 GBP
$298 USD
View
Final sale: no returns
A
Retailer 3
-
£248 GBP
$332 USD
View
A
Retailer 4
-
£255 GBP
View
A
Retailer 5
-
£277 GBP
HK$2,900 HKD
View
A
Retailer 6
-
£290 GBP
$388 USD
View
A
Retailer 7
-
£310 GBP
$415 USD
View
A
Retailer 8
-
£310 GBP
$415 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
£340 GBP
$455 USD
View
A
Retailer 10
-
£429 GBP
$575 USD
View
A
Retailer 11
-
£449 GBP
$601 USD
View
A
Retailer 12
-
£475 GBP
View
B+
Retailer 13
-
£500 GBP
€638 EUR
View
B+
Retailer 14
-
£532 GBP
ZAR 11,518 ZAR
View
B+
Retailer 15
-
£615 GBP
A$1,268 AUD
View
B+
Retailer 16
-
£666 GBP
SGD 1,205 SGD
View
B+
Retailer 17
-
£761 GBP
$1,019 USD
View
B+
Retailer 18
-
£796 GBP
$1,066 USD
View
B+
Retailer 19
-
£834 GBP
$1,117 USD
View
B
Retailer 20
-
£874 GBP
$1,171 USD
View
B
Retailer 21
-
£992 GBP
View
B
Retailer 22
-
£1,052 GBP
$1,409 USD
View
Most Expensive
B
Brilliant Earth
20146669A · Oct 31
£1,590 GBP
$2,130 USD
View
22 more retailers have this diamond
Prices start from £199 GBPSave up to £1,390 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
1.04ct Marquise
£199 GBP