CaratHunter
Plans
Marquise|Lab Grown|IGI

1.55ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG760505150

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG760505150

Diamond specifications and retailer prices

From £268 GBP
$360 USD
As of November 2, 2026
Save £1,167 GBP (81%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £2,660 GBP at Do Amore Diamonds · As of November 1, 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 LG760505150 or 760505150. Listed at 27 retailers as of November 1, 2026, with a 435% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760505150
Dimensions11.86 × 6.04 × 3.77 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.86 mm6.04 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760505150
Side View
Table 59.0%Crown 34.8°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,385 GBP|Low: £258 GBP|High: £2,385 GBP|Avg: £845 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 4£258 GBP
Retailer 7£300 GBP
Retailer 3£333 GBP
Retailer 20£333 GBP
Retailer 11£337 GBP
Retailer 8£443 GBP
Retailer 19£447 GBP
Retailer 6£579 GBP
Retailer 15£585 GBP
Retailer 13£603 GBP
Retailer 2£634 GBP
Retailer 17£856 GBP
Retailer 16£884 GBP
Retailer 18£976 GBP
Retailer 12£1,068 GBP
Retailer 5£1,257 GBP
Retailer 9£1,265 GBP
Retailer 10£1,295 GBP
Retailer 14£1,436 GBP
Do Amore Diamonds£2,385 GBP

42 data points across 20 retailers

27 retailers£268 GBP to £1,436 GBP

Retailer 1
-
£258 GBP
$346 USD
Price last confirmed 31 days ago
A
Retailer 2
-
£268 GBP
$360 USD
View
A
Retailer 3
-
£300 GBP
$403 USD
View
Final sale: no returns
Retailer 4
-
£311 GBP
$418 USD
View
Price last confirmed 34 days ago
Retailer 5
-
£333 GBP
$447 USD
View
Price last confirmed 8 days ago
Retailer 6
-
£333 GBP
$447 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
£333 GBP
$447 USD
View
A
Retailer 8
-
£337 GBP
$452 USD
View
A
Retailer 9
-
£443 GBP
$594 USD
View
A
Retailer 10
-
£447 GBP
$600 USD
View
B+
Retailer 11
-
£579 GBP
$777 USD
View
B+
Retailer 12
-
£585 GBP
A$1,208 AUD
View
B+
Retailer 13
-
£603 GBP
View
B+
Retailer 14
-
£634 GBP
ZAR 13,738 ZAR
View
B+
Retailer 15
-
£856 GBP
A$1,767 AUD
View
B+
Retailer 16
-
£884 GBP
A$1,826 AUD
View
Retailer 17
-
£889 GBP
$1,193 USD
View
Price last confirmed 77 days ago
B
Retailer 18
-
£976 GBP
$1,310 USD
View
B
Retailer 19
-
£1,068 GBP
View
Retailer 20
-
£1,181 GBP
$1,585 USD
View
Price last confirmed 33 days ago
B
Retailer 21
-
£1,181 GBP
$1,585 USD
View
B
Retailer 22
-
£1,257 GBP
$1,687 USD
View
B
Retailer 23
-
£1,265 GBP
$1,698 USD
View
B
Retailer 24
-
£1,295 GBP
$1,738 USD
View
B
Retailer 25
-
£1,436 GBP
View
Retailer 26
-
£2,385 GBP
$3,200 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-760505150 · Nov 1
£2,660 GBP
$3,570 USD
View
Price under review
26 more retailers have this diamond
Prices start from £268 GBPSave up to £1,167 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
£268 GBP