Marquise|Lab Grown|IGI

1.73ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG799642612

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799642612

Diamond specifications and retailer prices

From £236 GBP
$316 USD
As of October 27, 2026
Save £1,996 GBP (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,232 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.73ct lab-grown marquise diamond

This 1.73ct 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 LG799642612 or 799642612. Listed at 25 retailers as of October 27, 2026, with prices from £236 to £2,232, a £1,996 spread on the same certified stone. Brilliant Earth lists it at £2,232. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799642612
Dimensions12.52 × 6.10 × 3.90 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
12.52 mm6.10 mm1.73 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799642612
Side View
Table 58.0%Crown 37.3°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 63.9%

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 27
Current: £2,232 GBP|Low: £227 GBP|High: £2,232 GBP|Avg: £659 GBP|+32.3%
Brilliant Earth
Retailer 2
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Retailer 21
October 28, 2026
Retailer 13£236 GBP
Retailer 6£263 GBP
Retailer 10£274 GBP
Retailer 8£293 GBP
Retailer 11£293 GBP
Retailer 15£310 GBP
Retailer 3£392 GBP
Retailer 2£407 GBP
Retailer 18£495 GBP
Retailer 17£516 GBP
Retailer 16£519 GBP
Retailer 12£548 GBP
Retailer 14£625 GBP
Retailer 20£688 GBP
Retailer 21£719 GBP
Retailer 9£940 GBP
Retailer 4£1,125 GBP
Retailer 7£1,147 GBP
Retailer 5£1,168 GBP
Retailer 19£1,179 GBP
Brilliant Earth£2,232 GBP

42 data points across 21 retailers

25 retailers£236 GBP to £2,232 GBP

A
Cheapest Retailer
-
£236 GBP
$316 USD
Retailer 2
-
£274 GBP
$367 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£293 GBP
$392 USD
View
Price last confirmed 14 days ago
Retailer 4
-
£293 GBP
$392 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£310 GBP
View
Retailer 6
-
£392 GBP
$525 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
£407 GBP
$545 USD
View
A
Retailer 8
-
£495 GBP
ZAR 10,714 ZAR
View
A
Retailer 9
-
£516 GBP
€658 EUR
View
A
Retailer 10
-
£519 GBP
View
A
Retailer 11
-
£548 GBP
$734 USD
View
A
Retailer 12
-
£602 GBP
$807 USD
View
Retailer 13
-
£625 GBP
$837 USD
View
Price last confirmed 8 days ago
Retailer 14
-
£688 GBP
A$1,418 AUD
View
Price last confirmed 11 days ago
Retailer 15
-
£719 GBP
$964 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
£923 GBP
$1,237 USD
View
Retailer 17
-
£940 GBP
$1,260 USD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
£975 GBP
$1,306 USD
View
B
Retailer 19
-
£1,125 GBP
$1,508 USD
View
Retailer 20
-
£1,147 GBP
A$2,365 AUD
View
Price last confirmed 25 days ago
Retailer 21
-
£1,168 GBP
$1,564 USD
View
Price last confirmed 7 days ago
Retailer 22
-
£1,179 GBP
View
Price last confirmed 11 days ago
Retailer 23
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£1,259 GBP
$1,687 USD
View
Price last confirmed 64 days ago
B
Retailer 24
-
£1,634 GBP
$2,190 USD
View
Most Expensive
B
Brilliant Earth
20618517A · Oct 28
£2,232 GBP
$2,990 USD
View
24 more retailers have this diamond
Prices start from £236 GBPSave up to £1,996 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
1.73ct Marquise
£236 GBP