Heart|Lab Grown|IGI

1.73ct F VVS1 Heart Lab Grown Diamond

ID • F/VVS1 • IGI LG675561974

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG675561974

Diamond specifications and retailer prices

From £235 GBP
$315 USD
As of October 30, 2026
Save £1,623 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,858 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.73ct lab-grown heart diamond

This 1.73ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG675561974 or 675561974. Listed at 19 retailers as of October 30, 2026, with prices from £235 to £1,858, a £1,623 spread on the same certified stone. Brilliant Earth lists it at £1,858. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675561974
Dimensions7.42 × 8.48 × 4.81 mm
L/W Ratio1.14
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
Top View
7.42 mm8.48 mm1.73 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675561974
Side View
Table 57.0%Crown 33.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 56.7%

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 30
Current: £1,858 GBP|Low: £226 GBP|High: £2,194 GBP|Avg: £654 GBP|-15.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 3£235 GBP
Retailer 7£273 GBP
Retailer 4£292 GBP
Retailer 15£292 GBP
Retailer 13£310 GBP
Retailer 10£455 GBP
Retailer 6£474 GBP
Retailer 8£491 GBP
Retailer 9£503 GBP
Retailer 2£520 GBP
Retailer 12£680 GBP
Retailer 14£738 GBP
Retailer 5£938 GBP
Retailer 16£1,122 GBP
Retailer 11£1,175 GBP
Brilliant Earth£1,858 GBP

44 data points across 16 retailers

19 retailers£235 GBP to £1,858 GBP

A
Cheapest Retailer
-
£235 GBP
$315 USD
A
Retailer 2
-
£273 GBP
$366 USD
View
A
Retailer 3
-
£292 GBP
$391 USD
View
Retailer 4
-
£292 GBP
$391 USD
View
Price last confirmed 8 days ago
Retailer 5
-
£310 GBP
View
Price last confirmed 16 days ago
B+
Retailer 6
-
£455 GBP
$610 USD
View
B+
Retailer 7
-
£474 GBP
$635 USD
View
B+
Retailer 8
-
£491 GBP
$658 USD
View
B+
Retailer 9
-
£503 GBP
ZAR 10,890 ZAR
View
B+
Retailer 10
-
£520 GBP
View
B+
Retailer 11
-
£602 GBP
$807 USD
View
B+
Retailer 12
-
£680 GBP
A$1,402 AUD
View
B+
Retailer 13
-
£738 GBP
$989 USD
View
B
Retailer 14
-
£923 GBP
$1,237 USD
View
B
Retailer 15
-
£938 GBP
$1,257 USD
View
B
Retailer 16
-
£972 GBP
$1,303 USD
View
B
Retailer 17
-
£1,122 GBP
$1,503 USD
View
B
Retailer 18
-
£1,175 GBP
View
Most Expensive
B
Brilliant Earth
14979222A · Oct 31
£1,858 GBP
$2,490 USD
View
18 more retailers have this diamond
Prices start from £235 GBPSave up to £1,623 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 Heart
£235 GBP