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1.73ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG689570443

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689570443

Diamond specifications and retailer prices

From £439 GBP
$588 USD
As of October 30, 2026
Save £640 GBP (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,079 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 H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG689570443 or 689570443. Listed at 6 retailers as of October 29, 2026, with prices from £439 to £1,079, a £640 spread on the same certified stone. MOH London lists it at £1,079. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
H
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689570443
Dimensions7.72 × 7.68 × 4.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
7.72 mm7.68 mm1.73 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689570443
Side View
Table 59.0%Crown 34.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.7%

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 30
Current: £1,079 GBP|Low: £388 GBP|High: £1,724 GBP|Avg: £805 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 10£388 GBP
Retailer 3£414 GBP
Retailer 4£439 GBP
Retailer 5£469 GBP
Retailer 6£543 GBP
Retailer 7£897 GBP
Retailer 9£1,034 GBP
Retailer 2£1,045 GBP
MOH London£1,079 GBP
Retailer 8£1,724 GBP

15 data points across 10 retailers

6 retailers£439 GBP to £1,079 GBP

A
Cheapest Retailer
-
£439 GBP
$588 USD
A
Retailer 2
-
£469 GBP
$628 USD
View
B+
Retailer 3
-
£543 GBP
$728 USD
View
B
Retailer 4
-
£897 GBP
$1,202 USD
View
Retailer 5
-
£1,045 GBP
$1,400 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
LG689570443 · Oct 29
£1,079 GBP
View
5 more retailers have this diamond
Prices start from £439 GBPSave up to £640 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
£439 GBP