Marquise|Lab Grown|IGI

1.04ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG843604950

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843604950

Diamond specifications and retailer prices

From £217 GBP
As of November 1, 2026
Save £1,260 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,478 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843604950 or 843604950. Listed at 11 retailers as of October 31, 2026, with prices from £217 to £1,478, a £1,260 spread on the same certified stone. Do Amore Diamonds lists it at £1,478. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843604950
Dimensions10.20 × 5.33 × 3.29 mm
L/W Ratio1.91
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
10.20 mm5.33 mm1.04 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843604950
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A+
Exceptional
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 1
Current: £1,478 GBP|Low: £217 GBP|High: £2,302 GBP|Avg: £674 GBP|-2.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4£217 GBP
Retailer 10£330 GBP
Retailer 11£347 GBP
Retailer 8£359 GBP
Retailer 3£482 GBP
Retailer 7£515 GBP
Retailer 9£616 GBP
Retailer 2£845 GBP
Retailer 5£1,067 GBP
Retailer 6£1,083 GBP
Do Amore Diamonds£1,478 GBP

12 data points across 11 retailers

11 retailers£217 GBP to £1,478 GBP

A+
Cheapest Retailer
-
£217 GBP
A
Retailer 2
-
£330 GBP
$442 USD
View
A
Retailer 3
-
£347 GBP
$465 USD
View
A
Retailer 4
-
£359 GBP
€458 EUR
View
Retailer 5
-
£482 GBP
$645 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£515 GBP
A$1,061 AUD
View
B+
Retailer 7
-
£616 GBP
$826 USD
View
B+
Retailer 8
-
£845 GBP
View
B+
Retailer 9
-
£1,067 GBP
$1,430 USD
View
B
Retailer 10
-
£1,083 GBP
A$2,233 AUD
View
Most Expensive
B
Do Amore Diamonds
27-91D3488D4 · Oct 31
£1,478 GBP
$1,980 USD
View
10 more retailers have this diamond
Prices start from £217 GBPSave up to £1,260 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
£217 GBP