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Marquise|Lab Grown|IGI

1.55ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG655445461

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG655445461

Diamond specifications and retailer prices

From £236 GBP
$316 USD
As of November 1, 2026
Save £1,533 GBP (87%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: £1,769 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG655445461 or 655445461. Listed at 31 retailers as of October 31, 2026, with prices from £236 to £1,769, a £1,533 spread on the same certified stone. Do Amore Diamonds lists it at £1,769. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655445461
Dimensions12.21 × 6.13 × 3.69 mm
L/W Ratio1.99
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
12.21 mm6.13 mm1.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655445461
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.2%

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: Nov 1
Current: £1,769 GBP|Low: £199 GBP|High: £1,769 GBP|Avg: £688 GBP
Do Amore Diamonds
Retailer 2
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November 2, 2026
Retailer 11£199 GBP
Retailer 24£236 GBP
Retailer 9£246 GBP
Retailer 10£322 GBP
Retailer 23£325 GBP
Retailer 7£373 GBP
Retailer 6£384 GBP
Retailer 4£443 GBP
Retailer 20£447 GBP
Retailer 2£469 GBP
Retailer 18£478 GBP
Retailer 21£601 GBP
Retailer 12£611 GBP
Retailer 22£633 GBP
Retailer 3£758 GBP
Retailer 16£848 GBP
Retailer 17£851 GBP
Retailer 19£873 GBP
Retailer 15£948 GBP
Retailer 8£998 GBP
Retailer 5£1,047 GBP
Retailer 14£1,068 GBP
Retailer 13£1,090 GBP
Do Amore Diamonds£1,769 GBP

35 data points across 24 retailers

31 retailers£236 GBP to £1,769 GBP

Retailer 1
-
£199 GBP
$266 USD
Price last confirmed 25 days ago
A
Retailer 2
-
£236 GBP
$316 USD
View
Final sale: no returns
Retailer 3
-
£246 GBP
$330 USD
View
Price last confirmed 24 days ago
Retailer 4
-
£246 GBP
$330 USD
View
Price last confirmed 22 days ago
Retailer 5
-
£251 GBP
$336 USD
View
Price last confirmed 33 days ago
Retailer 6
-
£291 GBP
$390 USD
View
Price last confirmed 34 days ago
Retailer 7
-
£307 GBP
$411 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
£322 GBP
$431 USD
View
A
Retailer 9
-
£325 GBP
$435 USD
View
A
Retailer 10
-
£373 GBP
HK$3,900 HKD
View
A
Retailer 11
-
£384 GBP
$515 USD
View
A
Retailer 12
-
£443 GBP
$594 USD
View
A
Retailer 13
-
£447 GBP
€571 EUR
View
A
Retailer 14
-
£469 GBP
ZAR 10,156 ZAR
View
A
Retailer 15
-
£478 GBP
View
B+
Retailer 16
-
£601 GBP
A$1,238 AUD
View
Retailer 17
-
£611 GBP
$818 USD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
£633 GBP
A$1,304 AUD
View
B+
Retailer 19
-
£758 GBP
$1,015 USD
View
Retailer 20
-
£848 GBP
A$1,749 AUD
View
Price last confirmed 25 days ago
Retailer 21
-
£851 GBP
$1,140 USD
View
Price last confirmed 14 days ago
B
Retailer 22
-
£873 GBP
$1,170 USD
View
B
Retailer 23
-
£875 GBP
$1,172 USD
View
Retailer 24
-
£875 GBP
$1,172 USD
View
Price last confirmed 22 days ago
B+
Retailer 25
-
£948 GBP
$1,270 USD
View
B
Retailer 26
-
£998 GBP
$1,337 USD
View
B
Retailer 27
-
£1,047 GBP
$1,403 USD
View
B
Retailer 28
-
£1,068 GBP
SGD 1,933 SGD
View
B
Retailer 29
-
£1,090 GBP
View
Retailer 30
-
£1,104 GBP
$1,479 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Do Amore Diamonds
27-C7271FC70 · Oct 31
£1,769 GBP
$2,370 USD
View
30 more retailers have this diamond
Prices start from £236 GBPSave up to £1,533 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
1.55ct Marquise
£236 GBP