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Marquise|Lab Grown|IGI

1.84ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG841676235

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841676235

Diamond specifications and retailer prices

From £251 GBP
$336 USD
As of November 1, 2026
Save £1,070 GBP (81%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,321 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 LG841676235 or 841676235. Listed at 4 retailers as of October 31, 2026, with prices from £251 to £1,321, a £1,070 spread on the same certified stone. Brilliant Earth lists it at £1,321. 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 angle35.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841676235
Dimensions13.33 × 6.41 × 3.86 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.33 mm6.41 mm1.84 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841676235
Side View
Table 61.0%Crown 35.1°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,321 GBP|Low: £251 GBP|High: £1,403 GBP|Avg: £822 GBP|-5.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4£251 GBP
Retailer 2£510 GBP
Retailer 3£1,108 GBP
Brilliant Earth£1,321 GBP

25 data points across 4 retailers

4 retailers£251 GBP to £1,321 GBP

A
Cheapest Retailer
-
£251 GBP
$336 USD
Final sale: no returns
A
Retailer 2
-
£510 GBP
View
B
Retailer 3
-
£1,108 GBP
$1,485 USD
View
Most Expensive
B
Brilliant Earth
21709780A · Oct 31
£1,321 GBP
$1,770 USD
View
3 more retailers have this diamond
Prices start from £251 GBPSave up to £1,070 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
£251 GBP