Marquise|Lab Grown|IGI

1.73ct E VVS1 Marquise Lab Grown Diamond

GD • E/VVS1

Diamond specifications and retailer prices

From £208 GBP
$279 USD
As of October 30, 2026
Save £1,087 GBP (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,295 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

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 standard cut grade and certified by IGI. Listed at 10 retailers as of October 28, 2026, with prices from £208 to £1,295, a £1,087 spread on the same certified stone. Rare Carat lists it at £1,295. 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

1.73
Carat
E
Colour
VVS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions12.87 × 6.18 × 3.79 mm
L/W Ratio2.08
Top View
12.87 mm6.18 mm1.73 ctE / VVS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCuletDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,295 GBP|Low: £200 GBP|High: £1,910 GBP|Avg: £721 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 18, 2026
Retailer 4£208 GBP
Retailer 2£241 GBP
Retailer 3£258 GBP
Retailer 6£258 GBP
Retailer 5£829 GBP
Rare Carat£1,295 GBP
Retailer 7£1,910 GBP

9 data points across 7 retailers

10 retailers£208 GBP to £1,295 GBP

Retailer 1
-
£200 GBP
$268 USD
Price last confirmed 28 days ago
B+
Retailer 2
-
£208 GBP
$279 USD
View
B+
Retailer 3
-
£241 GBP
$323 USD
View
Retailer 4
-
£254 GBP
$341 USD
View
Price last confirmed 31 days ago
Retailer 5
-
£254 GBP
$341 USD
View
Price last confirmed 30 days ago
B+
Retailer 6
-
£258 GBP
$346 USD
View
B+
Retailer 7
-
£258 GBP
$346 USD
View
Retailer 8
-
£829 GBP
$1,111 USD
View
Price last confirmed 30 days ago
B
Retailer 9
-
£829 GBP
$1,111 USD
View
Most Expensive
C
Rare Carat
ITUS-J1008_l_797658833 · Oct 28
£1,295 GBP
$1,735 USD
View
9 more retailers have this diamond
Prices start from £208 GBPSave up to £1,087 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.

B+
1.73ct Marquise
£208 GBP