CaratHunter
Plans
Marquise|Lab Grown|IGI

1.01ct F IF Marquise Lab Grown Diamond

ID • F/IF • IGI LG758514790

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG758514790

Diamond specifications and retailer prices

From £448 GBP
As of November 6, 2026
Save £325 GBP (42%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £773 GBP at Rare Carat · As of November 1, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG758514790 or 758514790. Listed at 3 retailers as of November 1, 2026, with prices from £448 to £773, a £325 spread on the same certified stone. Rare Carat lists it at £773. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758514790
Dimensions10.61 × 5.30 × 3.23 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.61 mm5.30 mm1.01 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758514790
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £773 GBP|Low: £304 GBP|High: £1,568 GBP|Avg: £637 GBP|-1.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9£304 GBP
Retailer 5£306 GBP
Retailer 7£328 GBP
Retailer 4£345 GBP
Retailer 2£448 GBP
Retailer 10£606 GBP
Retailer 3£665 GBP
Retailer 8£723 GBP
Rare Carat£773 GBP
Retailer 11£936 GBP
Retailer 6£1,568 GBP

8 data points across 11 retailers

3 retailers£448 GBP to £773 GBP

Retailer 1
-
£304 GBP
Price last confirmed 63 days ago
B+
Retailer 2
-
£448 GBP
View
Most Expensive
B
Rare Carat
A21-97-K_l_818677644 · Nov 1
£773 GBP
$1,040 USD
View
2 more retailers have this diamond
Prices start from £448 GBPSave up to £325 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.

B+
1.01ct Marquise
£448 GBP