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Marquise|Lab Grown|IGI

1.55ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG607398819

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG607398819

Diamond specifications and retailer prices

From £303 GBP
$406 USD
As of October 30, 2026
Save £1,687 GBP (85%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: £1,990 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG607398819 or 607398819. Listed at 31 retailers as of October 30, 2026, with prices from £303 to £1,990, a £1,687 spread on the same certified stone. Brilliant Earth lists it at £1,990. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607398819
Dimensions11.77 × 6.02 × 3.79 mm
L/W Ratio1.96
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
11.77 mm6.02 mm1.55 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607398819
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 63.0%

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: £1,990 GBP|Low: £252 GBP|High: £1,990 GBP|Avg: £753 GBP
Brilliant Earth
Retailer 2
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Retailer 23
November 1, 2026
Retailer 10£252 GBP
Retailer 13£303 GBP
Retailer 8£313 GBP
Retailer 6£362 GBP
Retailer 20£395 GBP
Retailer 4£441 GBP
Retailer 3£504 GBP
Retailer 9£507 GBP
Retailer 17£509 GBP
Retailer 19£537 GBP
Retailer 2£556 GBP
Retailer 21£614 GBP
Retailer 11£712 GBP
Retailer 18£729 GBP
Retailer 23£917 GBP
Retailer 7£1,037 GBP
Retailer 14£1,049 GBP
Retailer 15£1,051 GBP
Retailer 16£1,108 GBP
Retailer 12£1,181 GBP
Retailer 5£1,219 GBP
Retailer 22£1,260 GBP
Brilliant Earth£1,990 GBP

37 data points across 23 retailers

31 retailers£303 GBP to £1,990 GBP

Retailer 1
-
£252 GBP
$338 USD
Price last confirmed 25 days ago
Retailer 2
-
£294 GBP
$394 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
£303 GBP
$406 USD
View
Final sale: no returns
Retailer 4
-
£313 GBP
$420 USD
View
Price last confirmed 25 days ago
Retailer 5
-
£313 GBP
$420 USD
View
Price last confirmed 23 days ago
Retailer 6
-
£329 GBP
$441 USD
View
Price last confirmed 34 days ago
Retailer 7
-
£359 GBP
$482 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
£362 GBP
HK$3,800 HKD
View
A
Retailer 9
-
£395 GBP
$530 USD
View
A
Retailer 10
-
£441 GBP
$592 USD
View
A
Retailer 11
-
£504 GBP
$677 USD
View
A
Retailer 12
-
£507 GBP
$680 USD
View
A
Retailer 13
-
£509 GBP
€651 EUR
View
A
Retailer 14
-
£537 GBP
ZAR 11,650 ZAR
View
Retailer 15
-
£554 GBP
View
Price last confirmed 18 days ago
A
Retailer 16
-
£556 GBP
View
B+
Retailer 17
-
£614 GBP
A$1,268 AUD
View
Retailer 18
-
£712 GBP
$955 USD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
£729 GBP
A$1,505 AUD
View
B
Retailer 20
-
£917 GBP
$1,231 USD
View
Retailer 21
-
£1,005 GBP
$1,349 USD
View
Price last confirmed 23 days ago
B
Retailer 22
-
£1,005 GBP
$1,349 USD
View
B
Retailer 23
-
£1,037 GBP
$1,392 USD
View
B+
Retailer 24
-
£1,049 GBP
SGD 1,902 SGD
View
B
Retailer 25
-
£1,051 GBP
$1,410 USD
View
Retailer 26
-
£1,108 GBP
A$2,288 AUD
View
Price last confirmed 28 days ago
Retailer 27
-
£1,169 GBP
$1,569 USD
View
Price last confirmed 32 days ago
B+
Retailer 28
-
£1,181 GBP
$1,585 USD
View
B
Retailer 29
-
£1,219 GBP
$1,635 USD
View
B
Retailer 30
-
£1,260 GBP
View
Most Expensive
B
Brilliant Earth
8744134A · Oct 31
£1,990 GBP
$2,670 USD
View
30 more retailers have this diamond
Prices start from £303 GBPSave up to £1,687 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
£303 GBP