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Heart|Lab Grown|IGI

1.72ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG537225791

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG537225791

Diamond specifications and retailer prices

From £1,000 GBP
$1,340 USD
As of October 30, 2026
Save £1,235 GBP (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,297 GBP at Loose Grown Diamond · As of October 27, 2026
View at Loose Grown Diamond

About this 1.72ct lab-grown heart diamond

This 1.72ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG537225791 or 537225791. Listed at 16 retailers as of October 30, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537225791
Dimensions8.40 × 7.70 × 4.68 mm
L/W Ratio1.09
Girdle conditionFaceted
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
8.40 mm7.70 mm1.72 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537225791
Side View
Table 62.5%Crown 34.5°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 55.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £3,297 GBP|Low: £1,000 GBP|High: £5,736 GBP|Avg: £3,152 GBP|+0.6%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 9£1,000 GBP
Retailer 11£1,823 GBP
Retailer 4£1,983 GBP
Retailer 5£2,040 GBP
Retailer 12£2,114 GBP
Retailer 3£2,906 GBP
Retailer 2£2,912 GBP
Retailer 10£3,170 GBP
Loose Grown Diamond£3,297 GBP
Retailer 6£3,887 GBP
Retailer 8£5,273 GBP
Retailer 13£5,646 GBP
Retailer 7£5,691 GBP

43 data points across 13 retailers

16 retailers£1,000 GBP to £2,235 GBP

B+
Cheapest Retailer
-
£1,000 GBP
$1,340 USD
B
Retailer 2
-
£1,823 GBP
$2,442 USD
View
B
Retailer 3
-
£1,983 GBP
$2,657 USD
View
B
Retailer 4
-
£2,040 GBP
$2,734 USD
View
Final sale: no returns
B
Retailer 5
-
£2,114 GBP
$2,833 USD
View
Retailer 6
-
£2,114 GBP
$2,833 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
£2,235 GBP
$2,995 USD
View
Retailer 8
-
£2,906 GBP
$3,894 USD
View
Price under review
Retailer 9
-
£2,912 GBP
View
Price under review
Retailer 10
-
£3,170 GBP
$4,247 USD
View
Price under review
Most Expensive
Loose Grown Diamond
537225791 · Oct 26
£3,297 GBP
$4,417 USD
View
Price under review
10 more retailers have this diamond
Prices start from £1,000 GBPSave up to £1,235 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+
1.72ct Heart
£1,000 GBP