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Marquise|Lab Grown|IGI

1.56ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG816618739

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816618739

Diamond specifications and retailer prices

From £202 GBP
$271 USD
As of October 30, 2026
Save £1,456 GBP (88%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £1,659 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816618739 or 816618739. Listed at 27 retailers as of October 27, 2026, with prices from £202 to £1,659, a £1,456 spread on the same certified stone. Queensmith lists it at £1,659. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816618739
Dimensions12.37 × 5.87 × 3.66 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.37 mm5.87 mm1.56 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816618739
Side View
Table 57.0%Crown 35.2°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £440 GBP|Low: £194 GBP|High: £1,440 GBP|Avg: £642 GBP|-0.6%
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Retailer 22
October 31, 2026
Retailer 3£202 GBP
Retailer 15£225 GBP
Retailer 5£250 GBP
Retailer 16£337 GBP
Retailer 20£369 GBP
Retailer 21£426 GBP
Retailer 18£430 GBP
Retailer 1£440 GBP
Retailer 11£447 GBP
Retailer 6£479 GBP
Retailer 8£496 GBP
Retailer 14£528 GBP
Retailer 19£582 GBP
Retailer 12£599 GBP
Retailer 2£807 GBP
Retailer 10£843 GBP
Retailer 7£964 GBP
Retailer 13£978 GBP
Retailer 22£1,005 GBP
Retailer 17£1,025 GBP
Retailer 9£1,059 GBP
Retailer 4£1,396 GBP

35 data points across 22 retailers

27 retailers£202 GBP to £1,659 GBP

A
Cheapest Retailer
-
£202 GBP
$271 USD
A
Retailer 2
-
£225 GBP
$302 USD
View
Final sale: no returns
A
Retailer 3
-
£234 GBP
$314 USD
View
A
Retailer 4
-
£250 GBP
$335 USD
View
A
Retailer 5
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£251 GBP
$336 USD
View
B+
Retailer 6
-
£337 GBP
$452 USD
View
A
Retailer 7
-
£369 GBP
$495 USD
View
A
Retailer 8
-
£426 GBP
€544 EUR
View
A
Retailer 9
-
£430 GBP
ZAR 9,313 ZAR
View
A
Retailer 10
-
£440 GBP
View
A
Retailer 11
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£447 GBP
$599 USD
View
A
Retailer 12
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£479 GBP
A$988 AUD
View
A
Retailer 13
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£496 GBP
$664 USD
View
Retailer 14
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£528 GBP
$707 USD
View
Price last confirmed 7 days ago
A
Retailer 15
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£582 GBP
A$1,200 AUD
View
B+
Retailer 16
-
£599 GBP
$803 USD
View
B+
Retailer 17
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£805 GBP
$1,079 USD
View
B+
Retailer 18
-
£807 GBP
SGD 1,461 SGD
View
B+
Retailer 19
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£843 GBP
$1,129 USD
View
B+
Retailer 20
-
£964 GBP
$1,291 USD
View
B
Retailer 21
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£978 GBP
View
B+
Retailer 22
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£1,005 GBP
View
B+
Retailer 23
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£1,025 GBP
A$2,112 AUD
View
B
Retailer 24
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£1,059 GBP
$1,419 USD
View
Retailer 25
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£1,073 GBP
$1,437 USD
View
Price last confirmed 75 days ago
B
Retailer 26
-
£1,396 GBP
$1,870 USD
View
Most Expensive
B
Queensmith
LG816618739 · Oct 27
£1,659 GBP
View
26 more retailers have this diamond
Prices start from £202 GBPSave up to £1,456 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
£202 GBP