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Round|Lab Grown|IGI

1.73ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG601303747

Shape and cutting style on the report: Round brilliant

Certificate IGI LG601303747

Diamond specifications and retailer prices

From £153 GBP
$205 USD
As of October 29, 2026
Save £1,317 GBP (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,470 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG601303747 or 601303747. Listed at 11 retailers as of October 29, 2026, with prices from £153 to £1,470, a £1,317 spread on the same certified stone. Do Amore Diamonds lists it at £1,470. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.73
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG601303747
Dimensions7.66 × 7.60 × 4.75 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
7.66 mm7.60 mm1.73 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG601303747
Side View
Table 57.0%Crown 35°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

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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: £1,470 GBP|Low: £149 GBP|High: £1,508 GBP|Avg: £568 GBP|-2.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 10£153 GBP
Retailer 3£173 GBP
Retailer 8£178 GBP
Retailer 7£328 GBP
Retailer 2£387 GBP
Retailer 9£579 GBP
Retailer 5£613 GBP
Retailer 6£674 GBP
Retailer 11£776 GBP
Retailer 4£845 GBP
Do Amore Diamonds£1,470 GBP

38 data points across 11 retailers

11 retailers£153 GBP to £1,470 GBP

A
Cheapest Retailer
-
£153 GBP
$205 USD
A
Retailer 2
-
£173 GBP
$232 USD
View
Final sale: no returns
A
Retailer 3
-
£178 GBP
$238 USD
View
B+
Retailer 4
-
£328 GBP
$439 USD
View
A
Retailer 5
-
£387 GBP
View
B+
Retailer 6
-
£579 GBP
$775 USD
View
Retailer 7
-
£613 GBP
$821 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£674 GBP
$903 USD
View
B
Retailer 9
-
£776 GBP
$1,040 USD
View
Retailer 10
-
£845 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Do Amore Diamonds
27-C78F93908 · Oct 29
£1,470 GBP
$1,970 USD
View
10 more retailers have this diamond
Prices start from £153 GBPSave up to £1,317 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
£153 GBP