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Marquise|Lab Grown|IGI

1.61ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG833668524

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833668524

Diamond specifications and retailer prices

From £599 GBP
$803 USD
As of October 30, 2026
Save £2,007 GBP (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,607 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.61ct lab-grown marquise diamond

This 1.61ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG833668524 or 833668524. Listed at 21 retailers as of October 30, 2026, with prices from £599 to £2,607, a £2,007 spread on the same certified stone. MOH London lists it at £2,607. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833668524
Dimensions11.93 × 6.20 × 3.87 mm
L/W Ratio1.92
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
11.93 mm6.20 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833668524
Side View
Table 57.0%Crown 33.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.4%

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: Oct 30
Current: £2,607 GBP|Low: £599 GBP|High: £2,642 GBP|Avg: £1,537 GBP|-1.2%
MOH London
Retailer 2
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Retailer 21
November 1, 2026
Retailer 7£599 GBP
Retailer 19£652 GBP
Retailer 6£671 GBP
Retailer 3£696 GBP
Retailer 2£786 GBP
Retailer 16£828 GBP
Retailer 12£929 GBP
Retailer 10£972 GBP
Retailer 17£1,054 GBP
Retailer 13£1,067 GBP
Retailer 11£1,122 GBP
Retailer 4£1,654 GBP
Retailer 15£1,731 GBP
Retailer 21£1,955 GBP
Retailer 9£2,090 GBP
Retailer 20£2,176 GBP
Retailer 5£2,256 GBP
Retailer 8£2,327 GBP
Retailer 14£2,405 GBP
Retailer 18£2,458 GBP
MOH London£2,607 GBP

31 data points across 21 retailers

21 retailers£599 GBP to £2,607 GBP

A
Cheapest Retailer
-
£599 GBP
$803 USD
A
Retailer 2
-
£652 GBP
$874 USD
View
A
Retailer 3
-
£671 GBP
$899 USD
View
Final sale: no returns
A
Retailer 4
-
£696 GBP
$932 USD
View
A
Retailer 5
-
£786 GBP
View
A
Retailer 6
-
£828 GBP
$1,110 USD
View
A
Retailer 7
-
£929 GBP
$1,245 USD
View
A
Retailer 8
-
£972 GBP
$1,303 USD
View
A
Retailer 9
-
£1,054 GBP
€1,345 EUR
View
A
Retailer 10
-
£1,067 GBP
View
A
Retailer 11
-
£1,122 GBP
$1,504 USD
View
B+
Retailer 12
-
£1,654 GBP
$2,216 USD
View
B+
Retailer 13
-
£1,731 GBP
A$3,569 AUD
View
B+
Retailer 14
-
£1,955 GBP
$2,620 USD
View
B
Retailer 15
-
£2,090 GBP
$2,800 USD
View
B
Retailer 16
-
£2,176 GBP
$2,915 USD
View
B
Retailer 17
-
£2,256 GBP
View
B
Retailer 18
-
£2,327 GBP
$3,118 USD
View
B
Retailer 19
-
£2,405 GBP
$3,223 USD
View
B
Retailer 20
-
£2,458 GBP
$3,293 USD
View
Most Expensive
B
MOH London
LG833668524 · Nov 1
£2,607 GBP
View
20 more retailers have this diamond
Prices start from £599 GBPSave up to £2,007 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
1.61ct Marquise
£599 GBP