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Round|Lab Grown|IGI

1.73ct I VS2 Round Lab Grown Diamond

EX • I/VS2 • IGI LG442066473

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442066473

Diamond specifications and retailer prices

From £1,134 GBP
$1,510 USD
As of October 29, 2026
Save £3,050 GBP (73%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,184 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG442066473 or 442066473. Listed at 12 retailers as of October 29, 2026, with prices from £1,134 to £4,184, a £3,050 spread on the same certified stone. MOH London lists it at £4,184. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442066473
Dimensions7.86 × 7.83 × 4.57 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.86 mm7.83 mm1.73 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442066473
Side View
Table 59.5%Crown 31.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £4,184 GBP|Low: £1,004 GBP|High: £4,217 GBP|Avg: £2,357 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
October 29, 2026
Retailer 5£1,134 GBP
Retailer 7£1,367 GBP
Retailer 8£1,406 GBP
Retailer 3£1,519 GBP
Retailer 10£1,584 GBP
Retailer 11£1,954 GBP
Retailer 6£2,289 GBP
Retailer 2£2,513 GBP
Retailer 9£3,021 GBP
Retailer 4£3,262 GBP
Retailer 12£4,172 GBP
MOH London£4,184 GBP

14 data points across 12 retailers

12 retailers£1,134 GBP to £4,184 GBP

B
Cheapest Retailer
-
£1,134 GBP
$1,510 USD
B
Retailer 2
-
£1,256 GBP
$1,673 USD
View
B
Retailer 3
-
£1,367 GBP
$1,820 USD
View
B
Retailer 4
-
£1,406 GBP
$1,873 USD
View
Final sale: no returns
B
Retailer 5
-
£1,458 GBP
$1,941 USD
View
Retailer 6
-
£1,458 GBP
$1,941 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
£1,584 GBP
$2,110 USD
View
B
Retailer 8
-
£2,289 GBP
$3,048 USD
View
B
Retailer 9
-
£2,513 GBP
$3,346 USD
View
B
Retailer 10
-
£2,731 GBP
$3,637 USD
View
B
Retailer 11
-
£3,021 GBP
View
Most Expensive
B
MOH London
LG442066473 · Oct 29
£4,184 GBP
View
11 more retailers have this diamond
Prices start from £1,134 GBPSave up to £3,050 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 Round
£1,134 GBP