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Marquise|Lab Grown|IGI

1.85ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG828618673

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828618673

Diamond specifications and retailer prices

From £242 GBP
$322 USD
As of October 27, 2026
Save £1,459 GBP (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,701 GBP at Brilliant Earth · As of October 28, 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 top-tier cut grade and certified by IGI LG828618673 or 828618673. Listed at 25 retailers as of October 27, 2026, with prices from £242 to £1,701, a £1,459 spread on the same certified stone. Brilliant Earth lists it at £1,701. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828618673
Dimensions12.27 × 6.53 × 4.01 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.27 mm6.53 mm1.85 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828618673
Side View
Table 60.0%Crown 36.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
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 27
Current: £1,701 GBP|Low: £242 GBP|High: £2,047 GBP|Avg: £720 GBP|-16.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
October 29, 2026
Retailer 11£242 GBP
Retailer 20£299 GBP
Retailer 15£315 GBP
Retailer 21£388 GBP
Retailer 13£421 GBP
Retailer 5£441 GBP
Retailer 19£454 GBP
Retailer 16£472 GBP
Retailer 2£503 GBP
Retailer 14£560 GBP
Retailer 18£631 GBP
Retailer 4£689 GBP
Retailer 8£862 GBP
Retailer 10£900 GBP
Retailer 12£904 GBP
Retailer 3£1,033 GBP
Retailer 9£1,044 GBP
Retailer 17£1,077 GBP
Retailer 7£1,109 GBP
Retailer 6£1,122 GBP
Brilliant Earth£1,701 GBP

33 data points across 21 retailers

25 retailers£242 GBP to £1,701 GBP

A
Retailer 1
-
£217 GBP
$288 USD
Price last confirmed 12 days ago
A
Retailer 2
-
£242 GBP
$322 USD
View
Final sale: no returns
A
Retailer 3
-
£251 GBP
$334 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
£269 GBP
$357 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
£299 GBP
HK$3,100 HKD
View
A
Retailer 6
-
£315 GBP
View
A
Retailer 7
-
£388 GBP
$515 USD
View
A
Retailer 8
-
£421 GBP
€533 EUR
View
A
Retailer 9
-
£441 GBP
$586 USD
View
A
Retailer 10
-
£454 GBP
ZAR 9,748 ZAR
View
A
Retailer 11
-
£472 GBP
View
A
Retailer 12
-
£503 GBP
A$1,028 AUD
View
A
Retailer 13
-
£560 GBP
$744 USD
View
B+
Retailer 14
-
£631 GBP
A$1,289 AUD
View
B+
Retailer 15
-
£689 GBP
$916 USD
View
B+
Retailer 16
-
£862 GBP
SGD 1,548 SGD
View
B+
Retailer 17
-
£863 GBP
$1,147 USD
View
Price last confirmed 12 days ago
B+
Retailer 18
-
£900 GBP
$1,196 USD
View
B+
Retailer 19
-
£904 GBP
A$1,848 AUD
View
Price last confirmed 20 days ago
B
Retailer 20
-
£1,033 GBP
$1,372 USD
View
B
Retailer 21
-
£1,044 GBP
View
Price last confirmed 13 days ago
B+
Retailer 22
-
£1,077 GBP
View
B
Retailer 23
-
£1,109 GBP
$1,474 USD
View
B
Retailer 24
-
£1,122 GBP
$1,491 USD
View
Most Expensive
B
Brilliant Earth
21498715A · Oct 28
£1,701 GBP
$2,260 USD
View
24 more retailers have this diamond
Prices start from £242 GBPSave up to £1,459 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
£242 GBP