CaratHunter
Plans
Radiant|Lab Grown|IGI

1.73ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG575371085

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG575371085

Diamond specifications and retailer prices

From £169 GBP
$227 USD
As of October 28, 2026
Save £728 GBP (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £897 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.73ct lab-grown radiant diamond

This 1.73ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG575371085 or 575371085. Listed at 15 retailers as of October 28, 2026, with prices from £169 to £897, a £728 spread on the same certified stone. Reve Diamonds lists it at £897. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.9°
Pavilion angle30.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG575371085
Dimensions8.20 × 5.97 × 3.98 mm
L/W Ratio1.37
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
8.20 mm5.97 mm1.73 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG575371085
Side View
Table 64.5%Crown 47.9°Girdle: MediumPavilion 30.2°Culet: NoneDepth 66.7%

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 28
Current: £345 GBP|Low: £169 GBP|High: £897 GBP|Avg: £526 GBP|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 1, 2026
Retailer 9£169 GBP
Retailer 8£210 GBP
Retailer 4£272 GBP
Retailer 1£345 GBP
Retailer 10£452 GBP
Retailer 3£503 GBP
Retailer 6£605 GBP
Retailer 2£612 GBP
Retailer 11£643 GBP
Retailer 7£763 GBP
Retailer 5£881 GBP
Reve Diamonds£897 GBP

28 data points across 12 retailers

15 retailers£169 GBP to £897 GBP

Retailer 1
-
£146 GBP
$195 USD
Price last confirmed 29 days ago
A
Retailer 2
-
£169 GBP
$227 USD
View
Final sale: no returns
Retailer 3
-
£175 GBP
$235 USD
View
Price last confirmed 34 days ago
Retailer 4
-
£187 GBP
$251 USD
View
Price last confirmed 24 days ago
Retailer 5
-
£187 GBP
$251 USD
View
Price last confirmed 28 days ago
A
Retailer 6
-
£210 GBP
HK$2,200 HKD
View
B+
Retailer 7
-
£272 GBP
$365 USD
View
A
Retailer 8
-
£345 GBP
View
A
Retailer 9
-
£452 GBP
$606 USD
View
Retailer 10
-
£603 GBP
$808 USD
View
Price last confirmed 31 days ago
Retailer 11
-
£605 GBP
$811 USD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
£643 GBP
$861 USD
View
B
Retailer 13
-
£763 GBP
$1,023 USD
View
B+
Retailer 14
-
£881 GBP
View
Most Expensive
B
Reve Diamonds
5A496EAB1 · Oct 28
£897 GBP
$1,202 USD
View
14 more retailers have this diamond
Prices start from £169 GBPSave up to £728 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 Radiant
£169 GBP