Marquise|Lab Grown|IGI

1.56ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG828643485

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828643485

Diamond specifications and retailer prices

From £434 GBP
$581 USD
As of October 25, 2026
22 retailers carry this diamond
Most expensive: £1,090 GBP at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

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 LG828643485 or 828643485. Listed at 22 retailers as of October 25, 2026. 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 angle36.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828643485
Dimensions11.57 × 5.97 × 3.91 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.57 mm5.97 mm1.56 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828643485
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 65.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: £1,090 GBP|Low: £194 GBP|High: £1,142 GBP|Avg: £646 GBP|-4.6%
Brilliant Earth
Retailer 2
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October 23, 2026
Retailer 8£202 GBP
Retailer 6£225 GBP
Retailer 12£277 GBP
Retailer 13£279 GBP
Retailer 22£377 GBP
Retailer 18£396 GBP
Retailer 4£414 GBP
Retailer 17£426 GBP
Retailer 2£434 GBP
Retailer 16£435 GBP
Retailer 19£589 GBP
Retailer 3£640 GBP
Retailer 10£805 GBP
Retailer 11£807 GBP
Retailer 9£827 GBP
Retailer 14£843 GBP
Retailer 20£851 GBP
Retailer 5£964 GBP
Retailer 21£1,009 GBP
Retailer 15£1,049 GBP
Retailer 7£1,059 GBP
Brilliant Earth£1,090 GBP

34 data points across 22 retailers

22 retailers

Retailer 1
-
£202 GBP
$271 USD
Price last confirmed 16 days ago
Retailer 2
-
£246 GBP
$330 USD
View
Price last confirmed 33 days ago
Retailer 3
-
£250 GBP
$335 USD
View
Price last confirmed 29 days ago
Retailer 4
-
£260 GBP
$348 USD
View
Price last confirmed 33 days ago
Retailer 5
-
£277 GBP
HK$2,900 HKD
View
Price last confirmed 12 days ago
Retailer 6
-
£279 GBP
View
Price last confirmed 11 days ago
Retailer 7
-
£377 GBP
$505 USD
View
Price last confirmed 10 days ago
Retailer 8
-
£414 GBP
$555 USD
View
Price last confirmed 11 days ago
Retailer 9
-
£426 GBP
ZAR 9,228 ZAR
View
Price last confirmed 14 days ago
A
Retailer 10
-
£434 GBP
$581 USD
View
Retailer 11
-
£435 GBP
View
Price last confirmed 11 days ago
Retailer 12
-
£589 GBP
A$1,214 AUD
View
Price last confirmed 14 days ago
Retailer 13
-
£640 GBP
$858 USD
View
Price last confirmed 9 days ago
Retailer 14
-
£805 GBP
$1,079 USD
View
Price last confirmed 16 days ago
Retailer 15
-
£807 GBP
SGD 1,461 SGD
View
Price last confirmed 11 days ago
Retailer 16
-
£827 GBP
A$1,705 AUD
View
Price last confirmed 24 days ago
Retailer 17
-
£843 GBP
$1,129 USD
View
Price last confirmed 11 days ago
Retailer 18
-
£851 GBP
$1,140 USD
View
Price last confirmed 14 days ago
Retailer 19
-
£964 GBP
$1,291 USD
View
Price last confirmed 12 days ago
Retailer 20
-
£1,009 GBP
View
Price last confirmed 11 days ago
Retailer 21
-
£1,059 GBP
$1,419 USD
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
21002940A · Oct 21
£1,090 GBP
$1,460 USD
View
Price last confirmed 11 days ago
21 more retailers have this diamond
Prices start from £434 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
£434 GBP