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Marquise|Lab Grown|IGI

0.57ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG848633147

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848633147

Diamond specifications and retailer prices

From £309 GBP
As of November 5, 2026
Save £988 GBP (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,297 GBP at Riddles Jewelry · As of November 4, 2026
View at Riddles Jewelry

About this 0.57ct lab-grown marquise diamond

This 0.57ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG848633147 or 848633147. Listed at 14 retailers as of November 4, 2026, with prices from £309 to £1,297, a £988 spread on the same certified stone. Riddles Jewelry lists it at £1,297. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.57
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848633147
Dimensions8.44 × 4.30 × 2.69 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.44 mm4.30 mm0.57 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848633147
Side View
Table 58.0%Crown 33.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
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: £545 GBP|Low: £309 GBP|High: £1,297 GBP|Avg: £815 GBP|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Riddles Jewelry
November 5, 2026
Retailer 9£309 GBP
Retailer 12£326 GBP
Retailer 5£492 GBP
Retailer 2£504 GBP
Retailer 1£545 GBP
Retailer 11£560 GBP
Retailer 8£665 GBP
Retailer 7£993 GBP
Retailer 13£1,025 GBP
Retailer 4£1,098 GBP
Retailer 3£1,116 GBP
Retailer 10£1,207 GBP
Retailer 6£1,234 GBP
Riddles Jewelry£1,297 GBP

9 data points across 14 retailers

14 retailers£309 GBP to £1,297 GBP

A
Cheapest Retailer
-
£309 GBP
Final sale: no returns
A
Retailer 2
-
£326 GBP
View
B+
Retailer 3
-
£492 GBP
View
B+
Retailer 4
-
£504 GBP
View
B+
Retailer 5
-
£545 GBP
View
B+
Retailer 6
-
£560 GBP
View
B
Retailer 7
-
£665 GBP
View
B
Retailer 8
-
£993 GBP
View
B
Retailer 9
-
£1,025 GBP
View
B
Retailer 10
-
£1,098 GBP
View
B
Retailer 11
-
£1,116 GBP
View
B
Retailer 12
-
£1,207 GBP
View
B
Retailer 13
-
£1,234 GBP
View
Most Expensive
B
Riddles Jewelry
1997300319 · Nov 4
£1,297 GBP
$1,746 USD
View
13 more retailers have this diamond
Prices start from £309 GBPSave up to £988 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
0.57ct Marquise
£309 GBP