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Marquise|Lab Grown|IGI

1.73ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG848621637

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848621637

Diamond specifications and retailer prices

From £228 GBP
$305 USD
As of October 30, 2026
Save £1,109 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,337 GBP at Michael Trio · As of October 30, 2026
View at Michael Trio

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 LG848621637 or 848621637. Listed at 17 retailers as of October 30, 2026, with prices from £228 to £1,337, a £1,109 spread on the same certified stone. Michael Trio lists it at £1,337. 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 angle38.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848621637
Dimensions12.09 × 6.18 × 3.96 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.09 mm6.18 mm1.73 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848621637
Side View
Table 58.0%Crown 38.9°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 64.1%

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 30
Current: £1,337 GBP|Low: £228 GBP|High: £1,354 GBP|Avg: £667 GBP|-1.3%
Michael Trio
Retailer 2
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Retailer 17
October 30, 2026
Retailer 13£228 GBP
Retailer 12£254 GBP
Retailer 9£269 GBP
Retailer 4£284 GBP
Retailer 14£299 GBP
Retailer 5£399 GBP
Retailer 11£460 GBP
Retailer 15£500 GBP
Retailer 7£543 GBP
Retailer 17£601 GBP
Retailer 16£898 GBP
Retailer 8£915 GBP
Retailer 3£942 GBP
Retailer 10£1,103 GBP
Retailer 2£1,131 GBP
Retailer 6£1,146 GBP
Michael Trio£1,337 GBP

3 data points across 17 retailers

17 retailers£228 GBP to £1,337 GBP

A
Cheapest Retailer
-
£228 GBP
$305 USD
A
Retailer 2
-
£254 GBP
$340 USD
View
Final sale: no returns
A
Retailer 3
-
£269 GBP
$360 USD
View
A
Retailer 4
-
£284 GBP
$381 USD
View
A
Retailer 5
-
£299 GBP
View
A
Retailer 6
-
£399 GBP
$535 USD
View
A
Retailer 7
-
£460 GBP
$617 USD
View
A
Retailer 8
-
£500 GBP
View
A
Retailer 9
-
£543 GBP
$727 USD
View
A
Retailer 10
-
£601 GBP
$805 USD
View
B+
Retailer 11
-
£898 GBP
$1,203 USD
View
B+
Retailer 12
-
£915 GBP
$1,226 USD
View
B+
Retailer 13
-
£942 GBP
$1,262 USD
View
B
Retailer 14
-
£1,103 GBP
$1,478 USD
View
B
Retailer 15
-
£1,131 GBP
A$2,332 AUD
View
B
Retailer 16
-
£1,146 GBP
View
Most Expensive
B
Michael Trio
9973244550 · Oct 30
£1,337 GBP
SGD 2,420 SGD
View
16 more retailers have this diamond
Prices start from £228 GBPSave up to £1,109 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
£228 GBP