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Marquise|Lab Grown|IGI

1.76ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG817638899

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817638899

Diamond specifications and retailer prices

From £256 GBP
$343 USD
As of October 29, 2026
Save £1,640 GBP (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,896 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.76ct lab-grown marquise diamond

This 1.76ct 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 LG817638899 or 817638899. Listed at 18 retailers as of October 28, 2026, with prices from £256 to £1,896, a £1,640 spread on the same certified stone. Brilliant Earth lists it at £1,896. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.76
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817638899
Dimensions12.54 × 6.13 × 3.72 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.54 mm6.13 mm1.76 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817638899
Side View
Table 64.0%Crown 38.4°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 60.7%

Caratlytics Score

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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: Oct 29
Current: £1,896 GBP|Low: £256 GBP|High: £1,963 GBP|Avg: £797 GBP|-3.4%
Brilliant Earth
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
October 30, 2026
Retailer 14£256 GBP
Retailer 13£399 GBP
Retailer 5£446 GBP
Retailer 2£464 GBP
Retailer 7£485 GBP
Retailer 10£504 GBP
Retailer 6£543 GBP
Retailer 4£618 GBP
Retailer 17£665 GBP
Retailer 8£881 GBP
Retailer 16£911 GBP
Retailer 12£948 GBP
Retailer 3£1,006 GBP
Retailer 15£1,145 GBP
Retailer 11£1,195 GBP
Retailer 9£1,332 GBP
Brilliant Earth£1,896 GBP

20 data points across 17 retailers

18 retailers£256 GBP to £1,896 GBP

A
Cheapest Retailer
-
£256 GBP
$343 USD
Final sale: no returns
A
Retailer 2
-
£399 GBP
$535 USD
View
A
Retailer 3
-
£446 GBP
€569 EUR
View
A
Retailer 4
-
£464 GBP
$622 USD
View
A
Retailer 5
-
£485 GBP
ZAR 10,490 ZAR
View
A
Retailer 6
-
£504 GBP
View
A
Retailer 7
-
£543 GBP
$727 USD
View
A
Retailer 8
-
£618 GBP
$828 USD
View
B+
Retailer 9
-
£665 GBP
A$1,371 AUD
View
B+
Retailer 10
-
£881 GBP
$1,180 USD
View
B+
Retailer 11
-
£911 GBP
SGD 1,650 SGD
View
B+
Retailer 12
-
£948 GBP
$1,270 USD
View
B+
Retailer 13
-
£1,006 GBP
$1,348 USD
View
B+
Retailer 14
-
£1,145 GBP
View
Retailer 15
-
£1,163 GBP
A$2,398 AUD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
£1,195 GBP
$1,601 USD
View
B
Retailer 17
-
£1,332 GBP
$1,785 USD
View
Most Expensive
B
Brilliant Earth
20776694A · Oct 28
£1,896 GBP
$2,540 USD
View
17 more retailers have this diamond
Prices start from £256 GBPSave up to £1,640 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
1.76ct Marquise
£256 GBP