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Marquise|Lab Grown|IGI

1.02ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG654433606

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG654433606

Diamond specifications and retailer prices

From £176 GBP
As of November 5, 2026
Save £1,328 GBP (88%) vs most expensive(unlock to see where)
29 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 LG654433606 or 654433606. Listed at 29 retailers as of November 4, 2026, with prices from £176 to £1,504, a £1,328 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654433606
Dimensions10.68 × 5.21 × 3.21 mm
L/W Ratio2.05
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
10.68 mm5.21 mm1.02 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654433606
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.6%

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 5
Current: £1,504 GBP|Low: £156 GBP|High: £1,822 GBP|Avg: £626 GBP
Do Amore Diamonds
Retailer 2
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November 5, 2026
Retailer 12£156 GBP
Retailer 2£176 GBP
Retailer 9£194 GBP
Retailer 22£303 GBP
Retailer 8£304 GBP
Retailer 11£324 GBP
Retailer 21£360 GBP
Retailer 6£369 GBP
Retailer 17£370 GBP
Retailer 13£400 GBP
Retailer 14£468 GBP
Retailer 16£525 GBP
Retailer 3£615 GBP
Retailer 5£627 GBP
Retailer 15£732 GBP
Retailer 10£816 GBP
Retailer 18£859 GBP
Retailer 4£911 GBP
Retailer 7£911 GBP
Retailer 19£1,037 GBP
Retailer 20£1,053 GBP
Do Amore Diamonds£1,504 GBP

39 data points across 22 retailers

29 retailers£176 GBP to £1,504 GBP

Retailer 1
-
£156 GBP
Price last confirmed 28 days ago
A
Retailer 2
-
£176 GBP
View
Final sale: no returns
Retailer 3
-
£194 GBP
View
Price last confirmed 28 days ago
Retailer 4
-
£194 GBP
View
Price last confirmed 26 days ago
Retailer 5
-
£204 GBP
View
Price last confirmed 36 days ago
Retailer 6
-
£237 GBP
View
Price last confirmed 37 days ago
Retailer 7
-
£250 GBP
View
Price last confirmed 37 days ago
A
Retailer 8
-
£303 GBP
View
A
Retailer 9
-
£304 GBP
View
A
Retailer 10
-
£324 GBP
View
A
Retailer 11
-
£360 GBP
View
A
Retailer 12
-
£369 GBP
View
A
Retailer 13
-
£370 GBP
View
A
Retailer 14
-
£400 GBP
View
B+
Retailer 15
-
£468 GBP
View
B+
Retailer 16
-
£525 GBP
View
B+
Retailer 17
-
£615 GBP
View
B+
Retailer 18
-
£627 GBP
View
B+
Retailer 19
-
£689 GBP
View
Retailer 20
-
£689 GBP
View
Price last confirmed 26 days ago
B+
Retailer 21
-
£732 GBP
View
B
Retailer 22
-
£816 GBP
View
B+
Retailer 23
-
£859 GBP
View
Retailer 24
-
£900 GBP
View
Price last confirmed 36 days ago
Retailer 25
-
£911 GBP
View
Price last confirmed 8 days ago
B
Retailer 26
-
£911 GBP
View
B
Retailer 27
-
£1,037 GBP
View
B
Retailer 28
-
£1,053 GBP
View
Most Expensive
B
Do Amore Diamonds
27-2A40C437F · Nov 4
£1,504 GBP
$2,030 USD
View
28 more retailers have this diamond
Prices start from £176 GBPSave up to £1,328 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
£176 GBP