Marquise|Lab Grown|IGI

1.67ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG825639462

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825639462

Diamond specifications and retailer prices

From £450 GBP
$603 USD
As of October 30, 2026
Save £1,985 GBP (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,435 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.67ct lab-grown marquise diamond

This 1.67ct 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 LG825639462 or 825639462. Listed at 23 retailers as of October 29, 2026, with prices from £450 to £2,435, a £1,985 spread on the same certified stone. MOH London lists it at £2,435. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825639462
Dimensions11.34 × 6.28 × 4.03 mm
L/W Ratio1.81
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
11.34 mm6.28 mm1.67 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825639462
Side View
Table 60.0%Crown 34.7°Girdle: MED-THKPavilion 41.6°Culet: NoneDepth 64.2%

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: Oct 30
Current: £2,435 GBP|Low: £441 GBP|High: £2,513 GBP|Avg: £1,223 GBP|-2.9%
MOH London
Retailer 2
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Retailer 19
October 31, 2026
Retailer 9£450 GBP
Retailer 5£504 GBP
Retailer 8£558 GBP
Retailer 11£569 GBP
Retailer 16£605 GBP
Retailer 18£748 GBP
Retailer 2£866 GBP
Retailer 17£886 GBP
Retailer 14£959 GBP
Retailer 3£979 GBP
Retailer 12£1,184 GBP
Retailer 13£1,299 GBP
Retailer 7£1,467 GBP
Retailer 4£1,626 GBP
Retailer 6£1,780 GBP
Retailer 10£1,804 GBP
Retailer 19£1,850 GBP
Retailer 15£2,019 GBP
MOH London£2,435 GBP

34 data points across 19 retailers

23 retailers£450 GBP to £2,435 GBP

A
Cheapest Retailer
-
£450 GBP
$603 USD
Retailer 2
-
£459 GBP
$615 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
£504 GBP
$675 USD
View
Final sale: no returns
Retailer 4
-
£516 GBP
$692 USD
View
Price last confirmed 32 days ago
A
Retailer 5
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£558 GBP
$747 USD
View
Retailer 6
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£569 GBP
$763 USD
View
Price last confirmed 15 days ago
Retailer 7
-
£569 GBP
$763 USD
View
Price last confirmed 28 days ago
A
Retailer 8
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£605 GBP
$810 USD
View
A
Retailer 9
-
£748 GBP
$1,002 USD
View
A
Retailer 10
-
£866 GBP
View
A
Retailer 11
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£886 GBP
€1,130 EUR
View
A
Retailer 12
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£959 GBP
ZAR 20,751 ZAR
View
A
Retailer 13
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£979 GBP
$1,312 USD
View
A
Retailer 14
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£1,184 GBP
$1,587 USD
View
A
Retailer 15
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£1,299 GBP
A$2,678 AUD
View
B+
Retailer 16
-
£1,467 GBP
$1,966 USD
View
Retailer 17
-
£1,498 GBP
$2,007 USD
View
Price last confirmed 31 days ago
B+
Retailer 18
-
£1,626 GBP
View
B+
Retailer 19
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£1,780 GBP
$2,385 USD
View
B+
Retailer 20
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£1,804 GBP
$2,417 USD
View
B+
Retailer 21
-
£1,850 GBP
$2,479 USD
View
B+
Retailer 22
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£2,019 GBP
$2,705 USD
View
Most Expensive
B
MOH London
LG825639462 · Oct 29
£2,435 GBP
View
22 more retailers have this diamond
Prices start from £450 GBPSave up to £1,985 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
1.67ct Marquise
£450 GBP