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Marquise|Lab Grown|IGI

0.56ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG816662379

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816662379

Diamond specifications and retailer prices

From £116 GBP
As of November 4, 2026
Save £1,402 GBP (92%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,519 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 0.56ct lab-grown marquise diamond

This 0.56ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG816662379 or 816662379. Listed at 22 retailers as of November 4, 2026, with prices from £116 to £1,519, a £1,402 spread on the same certified stone. Do Amore Diamonds lists it at £1,519. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.56
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816662379
Dimensions8.23 × 4.43 × 2.69 mm
L/W Ratio1.86
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
8.23 mm4.43 mm0.56 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816662379
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 60.7%

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 4
Current: £1,037 GBP|Low: £114 GBP|High: £1,089 GBP|Avg: £526 GBP|-4.8%
Retailer 1
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Retailer 22
November 4, 2026
Retailer 5£116 GBP
Retailer 6£130 GBP
Retailer 2£135 GBP
Retailer 19£144 GBP
Retailer 10£214 GBP
Retailer 15£271 GBP
Retailer 21£290 GBP
Retailer 3£337 GBP
Retailer 7£367 GBP
Retailer 20£406 GBP
Retailer 8£424 GBP
Retailer 11£474 GBP
Retailer 12£510 GBP
Retailer 4£587 GBP
Retailer 9£633 GBP
Retailer 18£639 GBP
Retailer 22£746 GBP
Retailer 16£783 GBP
Retailer 13£835 GBP
Retailer 14£936 GBP
Retailer 1£1,037 GBP
Retailer 17£1,037 GBP

38 data points across 22 retailers

22 retailers£116 GBP to £1,519 GBP

A
Cheapest Retailer
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£116 GBP
A
Retailer 2
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£130 GBP
View
Final sale: no returns
A
Retailer 3
-
£135 GBP
View
A
Retailer 4
-
£144 GBP
View
A
Retailer 5
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£214 GBP
View
A
Retailer 6
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£271 GBP
View
A
Retailer 7
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£290 GBP
View
Retailer 8
-
£337 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
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£367 GBP
View
B+
Retailer 10
-
£406 GBP
View
Retailer 11
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£424 GBP
View
Price last confirmed 11 days ago
Retailer 12
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£474 GBP
View
Price last confirmed 20 days ago
B+
Retailer 13
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£510 GBP
View
Retailer 14
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£587 GBP
View
Price last confirmed 9 days ago
B
Retailer 15
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£633 GBP
View
B
Retailer 16
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£639 GBP
View
B
Retailer 17
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£746 GBP
View
B
Retailer 18
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£783 GBP
View
Retailer 19
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£835 GBP
View
Price last confirmed 17 days ago
B
Retailer 20
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£1,037 GBP
View
B
Retailer 21
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£1,037 GBP
View
Most Expensive
B
Do Amore Diamonds
32-LG816662379 · Nov 4
£1,519 GBP
$2,050 USD
View
21 more retailers have this diamond
Prices start from £116 GBPSave up to £1,402 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
0.56ct Marquise
£116 GBP