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Marquise|Lab Grown|IGI

1.02ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG641494128

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG641494128

Diamond specifications and retailer prices

From £193 GBP
As of November 5, 2026
Save £861 GBP (82%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: £1,054 GBP at Novita Diamonds · As of October 30, 2026
View at Novita 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 LG641494128 or 641494128. Listed at 29 retailers as of October 30, 2026, with prices from £193 to £1,054, a £861 spread on the same certified stone. Novita Diamonds lists it at £1,054. 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 angle35.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG641494128
Dimensions10.46 × 5.37 × 3.30 mm
L/W Ratio1.95
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
10.46 mm5.37 mm1.02 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG641494128
Side View
Table 59.0%Crown 35.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £1,054 GBP|Low: £173 GBP|High: £1,837 GBP|Avg: £573 GBP|-2.0%
Novita Diamonds
Retailer 2
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November 5, 2026
Retailer 11£173 GBP
Retailer 18£193 GBP
Retailer 8£214 GBP
Retailer 7£256 GBP
Retailer 6£304 GBP
Retailer 21£360 GBP
Retailer 17£370 GBP
Retailer 4£387 GBP
Retailer 2£400 GBP
Retailer 9£422 GBP
Retailer 12£468 GBP
Retailer 19£490 GBP
Retailer 16£525 GBP
Retailer 14£606 GBP
Retailer 3£692 GBP
Retailer 10£727 GBP
Retailer 15£786 GBP
Retailer 13£856 GBP
Retailer 22£919 GBP
Retailer 5£963 GBP
Retailer 20£1,044 GBP
Novita Diamonds£1,054 GBP

38 data points across 22 retailers

29 retailers£193 GBP to £1,054 GBP

Retailer 1
-
£173 GBP
Price last confirmed 28 days ago
A
Retailer 2
-
£193 GBP
View
Final sale: no returns
Retailer 3
-
£202 GBP
View
Price last confirmed 36 days ago
Retailer 4
-
£214 GBP
View
Price last confirmed 28 days ago
Retailer 5
-
£214 GBP
View
Price last confirmed 26 days ago
Retailer 6
-
£235 GBP
View
Price last confirmed 37 days ago
Retailer 7
-
£247 GBP
View
Price last confirmed 37 days ago
A
Retailer 8
-
£256 GBP
View
A
Retailer 9
-
£304 GBP
View
A
Retailer 10
-
£360 GBP
View
A
Retailer 11
-
£370 GBP
View
A
Retailer 12
-
£387 GBP
View
A
Retailer 13
-
£400 GBP
View
A
Retailer 14
-
£422 GBP
View
B+
Retailer 15
-
£468 GBP
View
B+
Retailer 16
-
£490 GBP
View
B+
Retailer 17
-
£525 GBP
View
B+
Retailer 18
-
£606 GBP
View
B+
Retailer 19
-
£689 GBP
View
Retailer 20
-
£689 GBP
View
Price last confirmed 26 days ago
B+
Retailer 21
-
£692 GBP
View
B+
Retailer 22
-
£727 GBP
View
B
Retailer 23
-
£786 GBP
View
Retailer 24
-
£806 GBP
View
Price last confirmed 36 days ago
B+
Retailer 25
-
£856 GBP
View
Retailer 26
-
£919 GBP
View
Price last confirmed 15 days ago
B
Retailer 27
-
£963 GBP
View
B
Retailer 28
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£1,044 GBP
View
Most Expensive
B
Novita Diamonds
cert_641494128 · Oct 30
£1,054 GBP
A$2,189 AUD
View
28 more retailers have this diamond
Prices start from £193 GBPSave up to £861 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
£193 GBP