Marquise|Lab Grown|IGI

1.84ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG816688368

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816688368

Diamond specifications and retailer prices

From £249 GBP
$333 USD
As of October 30, 2026
Save £1,065 GBP (81%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,314 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.84ct lab-grown marquise diamond

This 1.84ct 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 LG816688368 or 816688368. Listed at 4 retailers as of October 30, 2026, with prices from £249 to £1,314, a £1,065 spread on the same certified stone. Brilliant Earth lists it at £1,314. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.84
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816688368
Dimensions13.29 × 6.43 × 3.93 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.29 mm6.43 mm1.84 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816688368
Side View
Table 62.0%Crown 34.8°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,314 GBP|Low: £238 GBP|High: £1,425 GBP|Avg: £660 GBP|-7.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3£249 GBP
Retailer 5£396 GBP
Retailer 7£437 GBP
Retailer 2£505 GBP
Retailer 6£563 GBP
Retailer 8£932 GBP
Retailer 4£1,108 GBP
Brilliant Earth£1,314 GBP

37 data points across 8 retailers

4 retailers£249 GBP to £1,314 GBP

A
Cheapest Retailer
-
£249 GBP
$333 USD
Final sale: no returns
A
Retailer 2
-
£505 GBP
View
B
Retailer 3
-
£1,108 GBP
$1,485 USD
View
Most Expensive
B
Brilliant Earth
21266616A · Oct 31
£1,314 GBP
$1,760 USD
View
3 more retailers have this diamond
Prices start from £249 GBPSave up to £1,065 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
1.84ct Marquise
£249 GBP