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Marquise|Lab Grown|IGI

1.50ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG634449503

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG634449503

Diamond specifications and retailer prices

From £273 GBP
$367 USD
As of October 30, 2026
Save £1,642 GBP (86%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: £1,915 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG634449503 or 634449503. Listed at 30 retailers as of October 30, 2026, with prices from £273 to £1,915, a £1,642 spread on the same certified stone. Brilliant Earth lists it at £1,915. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634449503
Dimensions11.70 × 5.93 × 3.78 mm
L/W Ratio1.97
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
11.70 mm5.93 mm1.50 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634449503
Side View
Table 61.0%Crown 37.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.7%

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: £1,915 GBP|Low: £244 GBP|High: £1,923 GBP|Avg: £782 GBP|-0.4%
Brilliant Earth
Retailer 2
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Retailer 11
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Retailer 23
November 1, 2026
Retailer 11£244 GBP
Retailer 20£273 GBP
Retailer 9£303 GBP
Retailer 7£353 GBP
Retailer 22£384 GBP
Retailer 5£428 GBP
Retailer 10£478 GBP
Retailer 4£495 GBP
Retailer 18£495 GBP
Retailer 21£522 GBP
Retailer 13£538 GBP
Retailer 12£689 GBP
Retailer 19£707 GBP
Retailer 3£890 GBP
Retailer 8£1,009 GBP
Retailer 15£1,019 GBP
Retailer 17£1,028 GBP
Retailer 23£1,062 GBP
Retailer 14£1,147 GBP
Retailer 6£1,195 GBP
Retailer 2£1,216 GBP
Retailer 16£1,356 GBP
Brilliant Earth£1,915 GBP

35 data points across 23 retailers

30 retailers£273 GBP to £1,915 GBP

Retailer 1
-
£244 GBP
$328 USD
Price last confirmed 25 days ago
A
Retailer 2
-
£273 GBP
$367 USD
View
Final sale: no returns
Retailer 3
-
£285 GBP
$382 USD
View
Price last confirmed 33 days ago
Retailer 4
-
£303 GBP
$407 USD
View
Price last confirmed 25 days ago
Retailer 5
-
£303 GBP
$407 USD
View
Price last confirmed 23 days ago
Retailer 6
-
£319 GBP
$428 USD
View
Price last confirmed 34 days ago
Retailer 7
-
£348 GBP
$467 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
£353 GBP
HK$3,700 HKD
View
A
Retailer 9
-
£384 GBP
$515 USD
View
A
Retailer 10
-
£428 GBP
$575 USD
View
A
Retailer 11
-
£478 GBP
$642 USD
View
A
Retailer 12
-
£495 GBP
$664 USD
View
A
Retailer 13
-
£495 GBP
€633 EUR
View
A
Retailer 14
-
£522 GBP
ZAR 11,306 ZAR
View
A
Retailer 15
-
£538 GBP
View
Retailer 16
-
£689 GBP
$924 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
£707 GBP
A$1,460 AUD
View
B
Retailer 18
-
£890 GBP
$1,194 USD
View
B
Retailer 19
-
£975 GBP
$1,309 USD
View
Retailer 20
-
£975 GBP
$1,309 USD
View
Price last confirmed 23 days ago
B
Retailer 21
-
£1,009 GBP
$1,353 USD
View
B+
Retailer 22
-
£1,019 GBP
SGD 1,847 SGD
View
B+
Retailer 23
-
£1,028 GBP
A$2,123 AUD
View
B+
Retailer 24
-
£1,062 GBP
$1,425 USD
View
Retailer 25
-
£1,134 GBP
$1,522 USD
View
Price last confirmed 33 days ago
B
Retailer 26
-
£1,147 GBP
$1,539 USD
View
B
Retailer 27
-
£1,195 GBP
$1,603 USD
View
B
Retailer 28
-
£1,216 GBP
View
B
Retailer 29
-
£1,356 GBP
$1,819 USD
View
Most Expensive
B
Brilliant Earth
10599590A · Oct 31
£1,915 GBP
$2,570 USD
View
29 more retailers have this diamond
Prices start from £273 GBPSave up to £1,642 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
1.50ct Marquise
£273 GBP