CaratHunter
Plans
Marquise|Lab Grown|IGI

1.04ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG630428922

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG630428922

Diamond specifications and retailer prices

From £221 GBP
$294 USD
As of October 30, 2026
Save £1,153 GBP (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,374 GBP at Brilliant Earth · As of October 24, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG630428922 or 630428922. Listed at 22 retailers as of October 24, 2026, with prices from £221 to £1,374, a £1,153 spread on the same certified stone. Brilliant Earth lists it at £1,374. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630428922
Dimensions10.28 × 5.31 × 3.36 mm
L/W Ratio1.94
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
10.28 mm5.31 mm1.04 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630428922
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.3%

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: Oct 30
Current: £1,374 GBP|Low: £157 GBP|High: £1,389 GBP|Avg: £632 GBP|-1.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 5£221 GBP
Retailer 14£330 GBP
Retailer 12£364 GBP
Retailer 13£404 GBP
Retailer 11£422 GBP
Retailer 6£460 GBP
Retailer 2£470 GBP
Retailer 3£484 GBP
Retailer 7£515 GBP
Retailer 10£597 GBP
Retailer 15£754 GBP
Retailer 8£827 GBP
Retailer 4£889 GBP
Retailer 16£961 GBP
Retailer 9£989 GBP
Brilliant Earth£1,374 GBP

44 data points across 16 retailers

22 retailers£221 GBP to £1,374 GBP

Retailer 1
-
£198 GBP
$264 USD
Price last confirmed 13 days ago
A
Retailer 2
-
£221 GBP
$294 USD
View
Final sale: no returns
Retailer 3
-
£230 GBP
$306 USD
View
Price last confirmed 15 days ago
Retailer 4
-
£246 GBP
$327 USD
View
Price last confirmed 27 days ago
Retailer 5
-
£246 GBP
$327 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£330 GBP
$440 USD
View
A
Retailer 7
-
£364 GBP
$485 USD
View
A
Retailer 8
-
£404 GBP
€513 EUR
View
A
Retailer 9
-
£422 GBP
ZAR 9,070 ZAR
View
A
Retailer 10
-
£460 GBP
$612 USD
View
A
Retailer 11
-
£470 GBP
View
B+
Retailer 12
-
£484 GBP
$645 USD
View
B+
Retailer 13
-
£515 GBP
$686 USD
View
B+
Retailer 14
-
£597 GBP
A$1,223 AUD
View
B
Retailer 15
-
£754 GBP
$1,004 USD
View
Retailer 16
-
£788 GBP
$1,050 USD
View
Price last confirmed 13 days ago
B
Retailer 17
-
£827 GBP
$1,102 USD
View
B
Retailer 18
-
£907 GBP
$1,208 USD
View
B
Retailer 19
-
£961 GBP
View
B+
Retailer 20
-
£989 GBP
View
B
Retailer 21
-
£1,049 GBP
$1,396 USD
View
Most Expensive
B
Brilliant Earth
10023992A · Oct 24
£1,374 GBP
$1,830 USD
View
21 more retailers have this diamond
Prices start from £221 GBPSave up to £1,153 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
£221 GBP