Marquise|Lab Grown|IGI

1.01ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG836620304

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836620304

Diamond specifications and retailer prices

From £168 GBP
As of October 30, 2026
Save £973 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,470 GBP at Rare Carat · As of October 4, 2026
View at Rare Carat

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620304 or 836620304. Listed at 17 retailers as of October 30, 2026, with a 578% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620304
Dimensions10.30 × 5.27 × 3.30 mm
L/W Ratio1.95
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
10.30 mm5.27 mm1.01 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620304
Side View
Table 56.0%Crown 34.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.6%

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: £1,470 GBP|Low: £168 GBP|High: £2,059 GBP|Avg: £578 GBP
Rare Carat
Retailer 2
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November 2, 2026
Retailer 5£168 GBP
Retailer 6£188 GBP
Retailer 18£195 GBP
Retailer 15£208 GBP
Retailer 17£208 GBP
Retailer 7£353 GBP
Retailer 16£356 GBP
Retailer 12£359 GBP
Retailer 2£385 GBP
Retailer 11£400 GBP
Retailer 19£413 GBP
Retailer 9£577 GBP
Retailer 10£669 GBP
Retailer 8£671 GBP
Retailer 4£707 GBP
Retailer 3£745 GBP
Retailer 13£833 GBP
Retailer 14£1,141 GBP
Rare Carat£1,470 GBP

35 data points across 19 retailers

17 retailers£168 GBP to £1,141 GBP

A+
Cheapest Retailer
-
£168 GBP
A
Retailer 2
-
£195 GBP
View
Retailer 3
-
£208 GBP
View
Price last confirmed 10 days ago
A
Retailer 4
-
£208 GBP
View
A
Retailer 5
-
£353 GBP
View
Retailer 6
-
£356 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£359 GBP
View
A
Retailer 8
-
£385 GBP
View
A
Retailer 9
-
£413 GBP
View
B+
Retailer 10
-
£577 GBP
View
B+
Retailer 11
-
£669 GBP
View
B+
Retailer 12
-
£671 GBP
View
B+
Retailer 13
-
£707 GBP
View
B+
Retailer 14
-
£745 GBP
View
B+
Retailer 15
-
£833 GBP
View
B
Retailer 16
-
£1,141 GBP
View
Most Expensive
Rare Carat
PE-242048 · Oct 4
£1,470 GBP
$1,985 USD
View
Price last confirmed 31 days ago
16 more retailers have this diamond
Prices start from £168 GBPSave up to £973 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+
1.01ct Marquise
£168 GBP