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Marquise|Lab Grown|IGI

1.02ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG668432762

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG668432762

Diamond specifications and retailer prices

From £156 GBP
As of November 4, 2026
Save £1,347 GBP (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,504 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.02ct lab-grown marquise diamond

This 1.02ct 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 LG668432762 or 668432762. Listed at 24 retailers as of November 4, 2026, with prices from £156 to £1,504, a £1,347 spread on the same certified stone. Do Amore Diamonds lists it at £1,504. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668432762
Dimensions10.90 × 5.13 × 3.24 mm
L/W Ratio2.12
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
10.90 mm5.13 mm1.02 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668432762
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
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: Nov 4
Current: £1,504 GBP|Low: £156 GBP|High: £1,822 GBP|Avg: £596 GBP
Do Amore Diamonds
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November 5, 2026
Retailer 4£156 GBP
Retailer 2£176 GBP
Retailer 22£181 GBP
Retailer 3£194 GBP
Retailer 10£303 GBP
Retailer 9£304 GBP
Retailer 12£324 GBP
Retailer 21£360 GBP
Retailer 7£369 GBP
Retailer 18£370 GBP
Retailer 13£400 GBP
Retailer 14£468 GBP
Retailer 17£525 GBP
Retailer 6£627 GBP
Retailer 5£689 GBP
Retailer 15£732 GBP
Retailer 11£816 GBP
Retailer 19£859 GBP
Retailer 8£911 GBP
Retailer 23£911 GBP
Retailer 20£1,037 GBP
Retailer 16£1,101 GBP
Do Amore Diamonds£1,504 GBP

36 data points across 23 retailers

24 retailers£156 GBP to £1,504 GBP

A
Cheapest Retailer
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£156 GBP
A
Retailer 2
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£176 GBP
View
Final sale: no returns
A
Retailer 3
-
£181 GBP
View
A
Retailer 4
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£194 GBP
View
A
Retailer 5
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£303 GBP
View
A
Retailer 6
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£304 GBP
View
A
Retailer 7
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£324 GBP
View
A
Retailer 8
-
£360 GBP
View
A
Retailer 9
-
£369 GBP
View
A
Retailer 10
-
£370 GBP
View
A
Retailer 11
-
£400 GBP
View
A
Retailer 12
-
£468 GBP
View
B+
Retailer 13
-
£525 GBP
View
B+
Retailer 14
-
£627 GBP
View
B+
Retailer 15
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£689 GBP
View
B+
Retailer 16
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£732 GBP
View
B+
Retailer 17
-
£816 GBP
View
B+
Retailer 18
-
£859 GBP
View
Retailer 19
-
£911 GBP
View
Price last confirmed 8 days ago
B
Retailer 20
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£911 GBP
View
B
Retailer 21
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£1,037 GBP
View
B
Retailer 22
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£1,045 GBP
View
Retailer 23
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£1,101 GBP
View
Price last confirmed 31 days ago
Most Expensive
B
Do Amore Diamonds
27-B892878C6 · Nov 4
£1,504 GBP
$2,030 USD
View
23 more retailers have this diamond
Prices start from £156 GBPSave up to £1,347 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
1.02ct Marquise
£156 GBP