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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG652415580

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG652415580

Diamond specifications and retailer prices

From £177 GBP
As of November 4, 2026
Save £909 GBP (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,086 GBP at Novita Diamonds · As of October 30, 2026
View at Novita Diamonds

About this 1.05ct lab-grown marquise diamond

This 1.05ct 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 LG652415580 or 652415580. Listed at 24 retailers as of October 30, 2026, with prices from £177 to £1,086, a £909 spread on the same certified stone. Novita Diamonds lists it at £1,086. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652415580
Dimensions10.94 × 5.31 × 3.24 mm
L/W Ratio2.06
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
10.94 mm5.31 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652415580
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,086 GBP|Low: £177 GBP|High: £1,889 GBP|Avg: £586 GBP|-3.8%
Novita Diamonds
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November 5, 2026
Retailer 5£177 GBP
Retailer 19£205 GBP
Retailer 24£206 GBP
Retailer 4£220 GBP
Retailer 11£256 GBP
Retailer 10£311 GBP
Retailer 23£368 GBP
Retailer 21£379 GBP
Retailer 8£392 GBP
Retailer 2£412 GBP
Retailer 12£445 GBP
Retailer 18£467 GBP
Retailer 15£482 GBP
Retailer 20£539 GBP
Retailer 16£621 GBP
Retailer 25£624 GBP
Retailer 6£707 GBP
Retailer 7£710 GBP
Retailer 14£745 GBP
Retailer 17£810 GBP
Retailer 13£879 GBP
Retailer 3£948 GBP
Retailer 9£977 GBP
Retailer 22£1,074 GBP
Novita Diamonds£1,086 GBP

34 data points across 25 retailers

24 retailers£177 GBP to £1,086 GBP

A
Cheapest Retailer
-
£177 GBP
A
Retailer 2
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£205 GBP
View
Final sale: no returns
A
Retailer 3
-
£206 GBP
View
A
Retailer 4
-
£220 GBP
View
A
Retailer 5
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£256 GBP
View
A
Retailer 6
-
£311 GBP
View
A
Retailer 7
-
£368 GBP
View
A
Retailer 8
-
£379 GBP
View
A
Retailer 9
-
£392 GBP
View
A
Retailer 10
-
£412 GBP
View
A
Retailer 11
-
£445 GBP
View
B+
Retailer 12
-
£482 GBP
View
B+
Retailer 13
-
£539 GBP
View
B+
Retailer 14
-
£621 GBP
View
B+
Retailer 15
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£624 GBP
View
B+
Retailer 16
-
£707 GBP
View
B+
Retailer 17
-
£710 GBP
View
B+
Retailer 18
-
£745 GBP
View
B
Retailer 19
-
£810 GBP
View
B+
Retailer 20
-
£879 GBP
View
Retailer 21
-
£948 GBP
View
Price last confirmed 8 days ago
B
Retailer 22
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£977 GBP
View
B
Retailer 23
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£1,074 GBP
View
Most Expensive
B
Novita Diamonds
cert_652415580 · Oct 30
£1,086 GBP
A$2,255 AUD
View
23 more retailers have this diamond
Prices start from £177 GBPSave up to £909 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
1.05ct Marquise
£177 GBP