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Round|Lab Grown|IGI

1.73ct I VVS2 Round Lab Grown Diamond

EX • I/VVS2 • IGI LG557217393

Shape and cutting style on the report: Round brilliant

Certificate IGI LG557217393

Diamond specifications and retailer prices

From £313 GBP
$420 USD
As of October 29, 2026
Save £1,122 GBP (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,435 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.73ct lab-grown round diamond

This 1.73ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG557217393 or 557217393. Listed at 14 retailers as of October 29, 2026, with prices from £313 to £1,435, a £1,122 spread on the same certified stone. MOH London lists it at £1,435. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
I
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557217393
Dimensions7.86 × 7.80 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.86 mm7.80 mm1.73 ctI / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557217393
Side View
Table 62.5%Crown 33°GirdlePavilion 40.3°Culet: NoneDepth 58.3%

Caratlytics Score

How it works →
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 29
Current: £1,435 GBP|Low: £313 GBP|High: £1,445 GBP|Avg: £758 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 8£313 GBP
Retailer 12£350 GBP
Retailer 9£388 GBP
Retailer 6£496 GBP
Retailer 13£528 GBP
Retailer 11£575 GBP
Retailer 10£613 GBP
Retailer 2£668 GBP
Retailer 5£813 GBP
Retailer 3£1,041 GBP
Retailer 7£1,090 GBP
Retailer 4£1,274 GBP
MOH London£1,435 GBP

21 data points across 13 retailers

14 retailers£313 GBP to £1,435 GBP

A
Cheapest Retailer
-
£313 GBP
$420 USD
A
Retailer 2
-
£350 GBP
$469 USD
View
Final sale: no returns
A
Retailer 3
-
£351 GBP
$470 USD
View
A
Retailer 4
-
£388 GBP
$520 USD
View
A
Retailer 5
-
£388 GBP
$520 USD
View
B+
Retailer 6
-
£496 GBP
$665 USD
View
B+
Retailer 7
-
£528 GBP
$707 USD
View
B+
Retailer 8
-
£575 GBP
$770 USD
View
B+
Retailer 9
-
£613 GBP
$822 USD
View
B
Retailer 10
-
£668 GBP
ZAR 14,449 ZAR
View
B
Retailer 11
-
£1,090 GBP
$1,460 USD
View
B
Retailer 12
-
£1,249 GBP
$1,673 USD
View
B
Retailer 13
-
£1,274 GBP
$1,707 USD
View
Most Expensive
B
MOH London
LG557217393 · Oct 29
£1,435 GBP
View
13 more retailers have this diamond
Prices start from £313 GBPSave up to £1,122 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 Round
£313 GBP