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Marquise|Lab Grown|IGI

1.67ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG795629398

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG795629398

Diamond specifications and retailer prices

From £495 GBP
$663 USD
As of October 30, 2026
Save £3,901 GBP (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,396 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 LG795629398 or 795629398. Listed at 14 retailers as of October 30, 2026, with prices from £495 to £4,396, a £3,901 spread on the same certified stone. Do Amore Diamonds lists it at £4,396. 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 angle34.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795629398
Dimensions11.76 × 6.06 × 3.94 mm
L/W Ratio1.94
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
11.76 mm6.06 mm1.67 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795629398
Side View
Table 62.0%Crown 34.3°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 65.0%

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: £4,396 GBP|Low: £484 GBP|High: £4,627 GBP|Avg: £1,801 GBP|-5.0%
Do Amore Diamonds
Retailer 2
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Retailer 8
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Retailer 11
Retailer 12
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Retailer 16
November 1, 2026
Retailer 14£495 GBP
Retailer 4£538 GBP
Retailer 5£709 GBP
Retailer 6£784 GBP
Retailer 15£935 GBP
Retailer 12£1,032 GBP
Retailer 16£1,466 GBP
Retailer 10£1,577 GBP
Retailer 3£1,781 GBP
Retailer 7£1,913 GBP
Retailer 13£2,041 GBP
Retailer 8£2,070 GBP
Retailer 11£2,403 GBP
Retailer 2£2,488 GBP
Retailer 9£2,834 GBP
Do Amore Diamonds£4,396 GBP

33 data points across 16 retailers

14 retailers£495 GBP to £4,396 GBP

A
Cheapest Retailer
-
£495 GBP
$663 USD
A
Retailer 2
-
£538 GBP
$721 USD
View
A
Retailer 3
-
£709 GBP
$950 USD
View
A
Retailer 4
-
£784 GBP
$1,051 USD
View
A
Retailer 5
-
£935 GBP
$1,253 USD
View
A
Retailer 6
-
£1,032 GBP
€1,317 EUR
View
B+
Retailer 7
-
£1,466 GBP
$1,964 USD
View
B+
Retailer 8
-
£1,577 GBP
A$3,251 AUD
View
B+
Retailer 9
-
£1,781 GBP
$2,386 USD
View
B+
Retailer 10
-
£2,041 GBP
$2,735 USD
View
B+
Retailer 11
-
£2,403 GBP
$3,220 USD
View
B+
Retailer 12
-
£2,488 GBP
View
B+
Retailer 13
-
£2,834 GBP
A$5,841 AUD
View
Most Expensive
B
Do Amore Diamonds
27-8168A74D4 · Nov 1
£4,396 GBP
$5,890 USD
View
13 more retailers have this diamond
Prices start from £495 GBPSave up to £3,901 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
£495 GBP