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Marquise|Lab Grown|IGI

1.85ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG835609328

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835609328

Diamond specifications and retailer prices

From £220 GBP
$293 USD
As of October 23, 2026
Save £1,402 GBP (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,622 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.85ct lab-grown marquise diamond

This 1.85ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG835609328 or 835609328. Listed at 24 retailers as of October 23, 2026, with prices from £220 to £1,622, a £1,402 spread on the same certified stone. Brilliant Earth lists it at £1,622. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.85
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835609328
Dimensions12.02 × 6.44 × 4.08 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.02 mm6.44 mm1.85 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835609328
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.4%

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 23
Current: £1,622 GBP|Low: £246 GBP|High: £1,810 GBP|Avg: £769 GBP|-10.4%
Brilliant Earth
Retailer 2
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Retailer 19
October 28, 2026
Retailer 7£246 GBP
Retailer 17£308 GBP
Retailer 18£321 GBP
Retailer 2£390 GBP
Retailer 12£428 GBP
Retailer 3£448 GBP
Retailer 16£462 GBP
Retailer 13£481 GBP
Retailer 8£559 GBP
Retailer 15£641 GBP
Retailer 19£839 GBP
Retailer 9£877 GBP
Retailer 6£907 GBP
Retailer 10£914 GBP
Retailer 4£1,050 GBP
Retailer 14£1,096 GBP
Retailer 5£1,120 GBP
Retailer 11£1,132 GBP
Brilliant Earth£1,622 GBP

33 data points across 19 retailers

24 retailers£220 GBP to £1,622 GBP

A
Cheapest Retailer
-
£220 GBP
$293 USD
A
Retailer 2
-
£246 GBP
$328 USD
View
Final sale: no returns
A
Retailer 3
-
£258 GBP
$343 USD
View
Price last confirmed 30 days ago
A
Retailer 4
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£272 GBP
$362 USD
View
Price last confirmed 30 days ago
A
Retailer 5
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£273 GBP
$364 USD
View
A
Retailer 6
-
£308 GBP
HK$3,200 HKD
View
A
Retailer 7
-
£321 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
£390 GBP
$520 USD
View
A
Retailer 9
-
£428 GBP
€543 EUR
View
B+
Retailer 10
-
£448 GBP
$597 USD
View
A
Retailer 11
-
£462 GBP
ZAR 9,937 ZAR
View
A
Retailer 12
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£481 GBP
View
A
Retailer 13
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£559 GBP
$745 USD
View
B+
Retailer 14
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£641 GBP
A$1,314 AUD
View
B+
Retailer 15
-
£839 GBP
$1,117 USD
View
B+
Retailer 16
-
£877 GBP
SGD 1,579 SGD
View
B+
Retailer 17
-
£878 GBP
$1,169 USD
View
B+
Retailer 18
-
£907 GBP
A$1,859 AUD
View
Price last confirmed 21 days ago
B
Retailer 19
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£914 GBP
$1,218 USD
View
B
Retailer 20
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£1,050 GBP
$1,398 USD
View
B
Retailer 21
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£1,096 GBP
View
B
Retailer 22
-
£1,120 GBP
$1,491 USD
View
B
Retailer 23
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£1,144 GBP
$1,523 USD
View
Most Expensive
B
Brilliant Earth
21547194A · Oct 29
£1,622 GBP
$2,160 USD
View
23 more retailers have this diamond
Prices start from £220 GBPSave up to £1,402 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
1.85ct Marquise
£220 GBP