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Marquise|Lab Grown|IGI

1.61ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG693533465

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG693533465

Diamond specifications and retailer prices

From £448 GBP
$600 USD
As of October 30, 2026
Save £3,523 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,970 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 LG693533465 or 693533465. Listed at 17 retailers as of October 30, 2026, with prices from £448 to £3,970, a £3,523 spread on the same certified stone. Do Amore Diamonds lists it at £3,970. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG693533465
Dimensions11.58 × 6.02 × 3.90 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
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
11.58 mm6.02 mm1.61 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG693533465
Side View
Table 60.0%Crown 36.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 64.8%

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: £3,970 GBP|Low: £439 GBP|High: £4,471 GBP|Avg: £1,523 GBP|-11.2%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 7
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Retailer 10
Retailer 11
Retailer 12
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Retailer 17
October 31, 2026
Retailer 14£448 GBP
Retailer 5£502 GBP
Retailer 9£572 GBP
Retailer 6£646 GBP
Retailer 16£648 GBP
Retailer 8£728 GBP
Retailer 15£852 GBP
Retailer 11£953 GBP
Retailer 17£1,377 GBP
Retailer 2£1,427 GBP
Retailer 4£1,549 GBP
Retailer 3£1,611 GBP
Retailer 13£2,019 GBP
Retailer 10£2,321 GBP
Retailer 12£2,426 GBP
Retailer 7£2,743 GBP
Do Amore Diamonds£3,970 GBP

33 data points across 17 retailers

17 retailers£448 GBP to £3,970 GBP

A
Cheapest Retailer
-
£448 GBP
$600 USD
A
Retailer 2
-
£502 GBP
$672 USD
View
A
Retailer 3
-
£572 GBP
$766 USD
View
Final sale: no returns
A
Retailer 4
-
£646 GBP
$865 USD
View
A
Retailer 5
-
£648 GBP
$868 USD
View
A
Retailer 6
-
£728 GBP
$975 USD
View
A
Retailer 7
-
£852 GBP
$1,142 USD
View
A
Retailer 8
-
£953 GBP
€1,216 EUR
View
B+
Retailer 9
-
£1,377 GBP
$1,845 USD
View
B+
Retailer 10
-
£1,427 GBP
A$2,941 AUD
View
B+
Retailer 11
-
£1,549 GBP
$2,076 USD
View
B+
Retailer 12
-
£1,611 GBP
$2,159 USD
View
B+
Retailer 13
-
£2,019 GBP
$2,705 USD
View
B+
Retailer 14
-
£2,321 GBP
$3,110 USD
View
B+
Retailer 15
-
£2,426 GBP
View
Retailer 16
-
£2,743 GBP
A$5,654 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
Do Amore Diamonds
27-4B187FCEB · Nov 1
£3,970 GBP
$5,320 USD
View
16 more retailers have this diamond
Prices start from £448 GBPSave up to £3,523 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
£448 GBP