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Marquise|Lab Grown|IGI

1.25ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG783642316

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG783642316

Diamond specifications and retailer prices

From £170 GBP
$228 USD
As of October 30, 2026
Save £875 GBP (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,045 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG783642316 or 783642316. Listed at 22 retailers as of October 30, 2026, with prices from £170 to £1,045, a £875 spread on the same certified stone. Brilliant Earth lists it at £1,045. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783642316
Dimensions11.57 × 5.59 × 3.45 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.57 mm5.59 mm1.25 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783642316
Side View
Table 60.0%Crown 32.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.7%

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: £1,045 GBP|Low: £162 GBP|High: £1,075 GBP|Avg: £489 GBP|-2.8%
Brilliant Earth
Retailer 2
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Retailer 21
October 31, 2026
Retailer 3£170 GBP
Retailer 20£190 GBP
Retailer 12£198 GBP
Retailer 7£211 GBP
Retailer 10£211 GBP
Retailer 8£360 GBP
Retailer 17£363 GBP
Retailer 15£363 GBP
Retailer 2£391 GBP
Retailer 5£392 GBP
Retailer 13£436 GBP
Retailer 21£446 GBP
Retailer 18£515 GBP
Retailer 6£579 GBP
Retailer 14£672 GBP
Retailer 4£678 GBP
Retailer 11£718 GBP
Retailer 16£768 GBP
Retailer 19£847 GBP
Retailer 9£958 GBP
Brilliant Earth£1,045 GBP

39 data points across 21 retailers

22 retailers£170 GBP to £1,045 GBP

A
Cheapest Retailer
-
£170 GBP
$228 USD
A
Retailer 2
-
£190 GBP
$255 USD
View
Final sale: no returns
A
Retailer 3
-
£198 GBP
$265 USD
View
A
Retailer 4
-
£211 GBP
$283 USD
View
A
Retailer 5
-
£211 GBP
$283 USD
View
A
Retailer 6
-
£360 GBP
$482 USD
View
A
Retailer 7
-
£363 GBP
ZAR 7,852 ZAR
View
A
Retailer 8
-
£363 GBP
€463 EUR
View
A
Retailer 9
-
£391 GBP
View
A
Retailer 10
-
£392 GBP
$525 USD
View
A
Retailer 11
-
£436 GBP
A$898 AUD
View
B+
Retailer 12
-
£446 GBP
$597 USD
View
B+
Retailer 13
-
£515 GBP
A$1,062 AUD
View
B+
Retailer 14
-
£579 GBP
$776 USD
View
B+
Retailer 15
-
£672 GBP
$900 USD
View
B+
Retailer 16
-
£678 GBP
$909 USD
View
B
Retailer 17
-
£718 GBP
$962 USD
View
B
Retailer 18
-
£766 GBP
$1,027 USD
View
B
Retailer 19
-
£768 GBP
A$1,584 AUD
View
B
Retailer 20
-
£847 GBP
View
B
Retailer 21
-
£958 GBP
$1,283 USD
View
Most Expensive
B
Brilliant Earth
20259045A · Oct 30
£1,045 GBP
$1,400 USD
View
21 more retailers have this diamond
Prices start from £170 GBPSave up to £875 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
1.25ct Marquise
£170 GBP