Marquise|Lab Grown|IGI

2.05ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG818629999

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818629999

Diamond specifications and retailer prices

From £693 GBP
$929 USD
As of October 30, 2026
Save £5,464 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £6,157 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 2.05ct lab-grown marquise diamond

This 2.05ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818629999 or 818629999. Listed at 22 retailers as of October 30, 2026, with prices from £693 to £6,157, a £5,464 spread on the same certified stone. Do Amore Diamonds lists it at £6,157. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.05
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818629999
Dimensions13.34 × 6.73 × 4.09 mm
L/W Ratio1.98
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
13.34 mm6.73 mm2.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818629999
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.8%

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: £6,157 GBP|Low: £693 GBP|High: £6,157 GBP|Avg: £2,414 GBP
Do Amore Diamonds
Retailer 2
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Retailer 21
November 1, 2026
Retailer 3£693 GBP
Retailer 21£755 GBP
Retailer 11£776 GBP
Retailer 5£805 GBP
Retailer 18£937 GBP
Retailer 10£1,069 GBP
Retailer 13£1,281 GBP
Retailer 12£1,290 GBP
Retailer 6£1,665 GBP
Retailer 20£1,714 GBP
Retailer 14£1,862 GBP
Retailer 15£2,108 GBP
Retailer 19£2,146 GBP
Retailer 17£2,291 GBP
Retailer 8£2,457 GBP
Retailer 4£2,517 GBP
Retailer 2£3,012 GBP
Retailer 7£3,130 GBP
Retailer 9£3,160 GBP
Retailer 16£5,507 GBP
Do Amore Diamonds£6,157 GBP

43 data points across 21 retailers

22 retailers£693 GBP to £6,157 GBP

A
Cheapest Retailer
-
£693 GBP
$929 USD
A
Retailer 2
-
£755 GBP
$1,011 USD
View
A
Retailer 3
-
£776 GBP
$1,040 USD
View
Final sale: no returns
A
Retailer 4
-
£805 GBP
$1,078 USD
View
A
Retailer 5
-
£937 GBP
$1,255 USD
View
A
Retailer 6
-
£1,069 GBP
$1,433 USD
View
A
Retailer 7
-
£1,281 GBP
View
A
Retailer 8
-
£1,290 GBP
$1,728 USD
View
A
Retailer 9
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£1,665 GBP
$2,231 USD
View
A
Retailer 10
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£1,714 GBP
$2,296 USD
View
A
Retailer 11
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£1,862 GBP
A$3,838 AUD
View
B+
Retailer 12
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£2,108 GBP
A$4,346 AUD
View
B+
Retailer 13
-
£2,146 GBP
$2,875 USD
View
B+
Retailer 14
-
£2,291 GBP
ZAR 49,598 ZAR
View
B+
Retailer 15
-
£2,457 GBP
View
B+
Retailer 16
-
£2,517 GBP
$3,372 USD
View
B+
Retailer 17
-
£3,012 GBP
View
B+
Retailer 18
-
£3,130 GBP
SGD 5,667 SGD
View
B+
Retailer 19
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£3,160 GBP
$4,234 USD
View
B
Retailer 20
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£3,515 GBP
$4,710 USD
View
B
Retailer 21
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£5,507 GBP
A$11,352 AUD
View
Most Expensive
B
Do Amore Diamonds
27-57A7D4673 · Nov 1
£6,157 GBP
$8,250 USD
View
21 more retailers have this diamond
Prices start from £693 GBPSave up to £5,464 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
2.05ct Marquise
£693 GBP