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Marquise|Lab Grown|IGI

1.73ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG833669290

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833669290

Diamond specifications and retailer prices

From £375 GBP
$502 USD
As of October 30, 2026
Save £1,836 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,329 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 LG833669290 or 833669290. Listed at 20 retailers as of October 30, 2026, with a 490% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833669290
Dimensions12.18 × 6.35 × 3.96 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.18 mm6.35 mm1.73 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833669290
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.4%

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 30
Current: £3,329 GBP|Low: £375 GBP|High: £3,329 GBP|Avg: £1,065 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 13£375 GBP
Retailer 19£419 GBP
Retailer 17£465 GBP
Retailer 8£498 GBP
Retailer 15£544 GBP
Retailer 18£567 GBP
Retailer 10£616 GBP
Retailer 6£693 GBP
Retailer 5£791 GBP
Retailer 16£800 GBP
Retailer 7£881 GBP
Retailer 3£931 GBP
Retailer 2£1,195 GBP
Retailer 11£1,284 GBP
Retailer 14£1,600 GBP
Retailer 4£1,602 GBP
Retailer 12£1,616 GBP
Retailer 9£1,751 GBP
Retailer 20£2,211 GBP
Do Amore Diamonds£3,329 GBP

3 data points across 20 retailers

20 retailers£375 GBP to £2,211 GBP

A
Cheapest Retailer
-
£375 GBP
$502 USD
A
Retailer 2
-
£419 GBP
$561 USD
View
Final sale: no returns
A
Retailer 3
-
£465 GBP
$623 USD
View
A
Retailer 4
-
£498 GBP
$667 USD
View
A
Retailer 5
-
£544 GBP
View
A
Retailer 6
-
£567 GBP
$760 USD
View
B+
Retailer 7
-
£616 GBP
$826 USD
View
B+
Retailer 8
-
£693 GBP
$929 USD
View
B+
Retailer 9
-
£712 GBP
$954 USD
View
B+
Retailer 10
-
£800 GBP
View
B+
Retailer 11
-
£881 GBP
ZAR 19,080 ZAR
View
B+
Retailer 12
-
£931 GBP
$1,248 USD
View
B
Retailer 13
-
£1,195 GBP
A$2,463 AUD
View
B
Retailer 14
-
£1,284 GBP
$1,720 USD
View
B
Retailer 15
-
£1,600 GBP
$2,144 USD
View
B
Retailer 16
-
£1,602 GBP
$2,147 USD
View
B
Retailer 17
-
£1,616 GBP
$2,165 USD
View
B
Retailer 18
-
£1,751 GBP
$2,346 USD
View
B
Retailer 19
-
£2,211 GBP
$2,962 USD
View
Most Expensive
Do Amore Diamonds
27-1E974C694 · Oct 30
£3,329 GBP
$4,460 USD
View
Price under review
19 more retailers have this diamond
Prices start from £375 GBPSave up to £1,836 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
£375 GBP