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Marquise|Lab Grown|IGI

1.56ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG788681372

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788681372

Diamond specifications and retailer prices

From £313 GBP
As of November 1, 2026
Save £1,508 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,821 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.56ct lab-grown marquise diamond

This 1.56ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788681372 or 788681372. Listed at 17 retailers as of October 31, 2026, with prices from £313 to £1,821, a £1,508 spread on the same certified stone. Do Amore Diamonds lists it at £1,821. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788681372
Dimensions12.24 × 5.95 × 3.70 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.24 mm5.95 mm1.56 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788681372
Side View
Table 60.0%Crown 37.9°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 62.2%

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 1
Current: £1,821 GBP|Low: £313 GBP|High: £1,948 GBP|Avg: £807 GBP|-6.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 2£313 GBP
Retailer 6£336 GBP
Retailer 8£336 GBP
Retailer 4£363 GBP
Retailer 11£421 GBP
Retailer 15£444 GBP
Retailer 10£528 GBP
Retailer 5£660 GBP
Retailer 9£722 GBP
Retailer 14£838 GBP
Retailer 12£1,054 GBP
Retailer 3£1,140 GBP
Retailer 13£1,224 GBP
Retailer 7£1,694 GBP
Do Amore Diamonds£1,821 GBP

27 data points across 15 retailers

17 retailers£313 GBP to £1,821 GBP

Retailer 1
-
£208 GBP
$279 USD
Price last confirmed 21 days ago
Retailer 2
-
£242 GBP
$324 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
£313 GBP
View
A
Retailer 4
-
£336 GBP
$450 USD
View
A
Retailer 5
-
£336 GBP
$450 USD
View
A
Retailer 6
-
£363 GBP
HK$3,800 HKD
View
A
Retailer 7
-
£421 GBP
$564 USD
View
A
Retailer 8
-
£444 GBP
€566 EUR
View
B+
Retailer 9
-
£528 GBP
A$1,088 AUD
View
B+
Retailer 10
-
£660 GBP
A$1,360 AUD
View
B+
Retailer 11
-
£722 GBP
$967 USD
View
B+
Retailer 12
-
£838 GBP
A$1,727 AUD
View
Retailer 13
-
£917 GBP
$1,229 USD
View
Price last confirmed 16 days ago
B
Retailer 14
-
£1,054 GBP
SGD 1,909 SGD
View
B
Retailer 15
-
£1,140 GBP
View
B
Retailer 16
-
£1,224 GBP
$1,640 USD
View
Most Expensive
B
Do Amore Diamonds
27-DD0EED6E0 · Oct 31
£1,821 GBP
$2,440 USD
View
16 more retailers have this diamond
Prices start from £313 GBPSave up to £1,508 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
1.56ct Marquise
£313 GBP