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Marquise|Lab Grown|IGI

1.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG811633607

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811633607

Diamond specifications and retailer prices

From £160 GBP
$215 USD
As of October 30, 2026
Save £765 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £926 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.03ct lab-grown marquise diamond

This 1.03ct 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 LG811633607 or 811633607. Listed at 20 retailers as of October 30, 2026, with prices from £160 to £926, a £765 spread on the same certified stone. Reve Diamonds lists it at £926. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811633607
Dimensions10.19 × 5.45 × 3.30 mm
L/W Ratio1.87
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
10.19 mm5.45 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811633607
Side View
Table 57.0%Crown 34°Girdle: THN-MEDPavilion 40.1°Culet: NoneDepth 60.6%

Caratlytics Score

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A+
Exceptional
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: £368 GBP|Low: £160 GBP|High: £926 GBP|Avg: £405 GBP|-2.4%
Retailer 1
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
Retailer 17
Reve Diamonds
October 30, 2026
Retailer 6£160 GBP
Retailer 7£178 GBP
Retailer 2£186 GBP
Retailer 14£199 GBP
Retailer 17£199 GBP
Retailer 10£211 GBP
Retailer 9£269 GBP
Retailer 12£341 GBP
Retailer 16£346 GBP
Retailer 1£368 GBP
Retailer 4£374 GBP
Retailer 3£437 GBP
Retailer 13£486 GBP
Retailer 8£518 GBP
Retailer 15£639 GBP
Retailer 5£678 GBP
Retailer 11£800 GBP
Reve Diamonds£926 GBP

30 data points across 18 retailers

20 retailers£160 GBP to £926 GBP

A+
Cheapest Retailer
-
£160 GBP
$215 USD
A
Retailer 2
-
£178 GBP
$239 USD
View
Final sale: no returns
A
Retailer 3
-
£186 GBP
$249 USD
View
A
Retailer 4
-
£199 GBP
$266 USD
View
A
Retailer 5
-
£199 GBP
$266 USD
View
A
Retailer 6
-
£211 GBP
View
Retailer 7
-
£239 GBP
HK$2,500 HKD
View
Price last confirmed 56 days ago
A
Retailer 8
-
£269 GBP
$360 USD
View
A
Retailer 9
-
£341 GBP
ZAR 7,386 ZAR
View
A
Retailer 10
-
£346 GBP
€441 EUR
View
A
Retailer 11
-
£368 GBP
View
A
Retailer 12
-
£374 GBP
$501 USD
View
A
Retailer 13
-
£437 GBP
$585 USD
View
A
Retailer 14
-
£486 GBP
A$1,001 AUD
View
B+
Retailer 15
-
£518 GBP
$694 USD
View
B+
Retailer 16
-
£639 GBP
$856 USD
View
Retailer 17
-
£669 GBP
$896 USD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
£678 GBP
$908 USD
View
B+
Retailer 19
-
£800 GBP
View
Most Expensive
B
Reve Diamonds
58246DE9D · Oct 30
£926 GBP
$1,240 USD
View
19 more retailers have this diamond
Prices start from £160 GBPSave up to £765 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+
1.03ct Marquise
£160 GBP