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Marquise|Lab Grown|IGI

1.04ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG689562513

Shape and cutting style on the report: Marquise modified brilliant

Certificate IGI LG689562513

Diamond specifications and retailer prices

From £240 GBP
$321 USD
As of November 2, 2026
Save £1,887 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £2,903 GBP at Do Amore Diamonds · As of November 1, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689562513 or 689562513. Listed at 22 retailers as of November 2, 2026, with a 788% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562513
Dimensions9.97 × 5.03 × 3.22 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.97 mm5.03 mm1.04 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562513
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 31.7°Culet: NoneDepth 64.0%

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 2
Current: £2,127 GBP|Low: £231 GBP|High: £2,127 GBP|Avg: £699 GBP|+3.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
Retailer 12
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Retailer 19
November 2, 2026
Retailer 4£240 GBP
Retailer 9£267 GBP
Retailer 7£278 GBP
Retailer 3£297 GBP
Retailer 11£297 GBP
Retailer 2£347 GBP
Retailer 5£363 GBP
Retailer 6£396 GBP
Retailer 19£414 GBP
Retailer 12£566 GBP
Retailer 13£591 GBP
Retailer 18£797 GBP
Retailer 16£872 GBP
Retailer 10£1,055 GBP
Retailer 8£1,173 GBP
Retailer 15£1,274 GBP
Retailer 14£1,282 GBP
Retailer 17£1,358 GBP
Do Amore Diamonds£2,127 GBP

29 data points across 19 retailers

22 retailers£240 GBP to £2,127 GBP

A
Cheapest Retailer
-
£240 GBP
$321 USD
A
Retailer 2
-
£267 GBP
$358 USD
View
Final sale: no returns
A
Retailer 3
-
£278 GBP
$373 USD
View
A
Retailer 4
-
£297 GBP
$398 USD
View
Retailer 5
-
£297 GBP
$398 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£347 GBP
View
A
Retailer 7
-
£363 GBP
$487 USD
View
A
Retailer 8
-
£396 GBP
$530 USD
View
A
Retailer 9
-
£414 GBP
$555 USD
View
B+
Retailer 10
-
£566 GBP
ZAR 12,248 ZAR
View
B+
Retailer 11
-
£591 GBP
View
B+
Retailer 12
-
£797 GBP
A$1,643 AUD
View
Retailer 13
-
£816 GBP
$1,094 USD
View
Price last confirmed 7 days ago
B
Retailer 14
-
£872 GBP
$1,168 USD
View
B
Retailer 15
-
£1,055 GBP
$1,413 USD
View
B
Retailer 16
-
£1,173 GBP
$1,571 USD
View
B
Retailer 17
-
£1,274 GBP
View
B
Retailer 18
-
£1,282 GBP
View
B
Retailer 19
-
£1,358 GBP
$1,820 USD
View
B
Retailer 20
-
£1,440 GBP
$1,930 USD
View
B
Retailer 21
-
£2,127 GBP
$2,850 USD
View
Most Expensive
Do Amore Diamonds
23-689562513 · Nov 1
£2,903 GBP
$3,890 USD
View
Price under review
21 more retailers have this diamond
Prices start from £240 GBPSave up to £1,887 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
£240 GBP