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Heart|Lab Grown|IGI

1.73ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG534265511

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG534265511

Diamond specifications and retailer prices

From £172 GBP
$231 USD
As of October 30, 2026
Save £1,581 GBP (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,754 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG534265511 or 534265511. Listed at 21 retailers as of October 30, 2026, with prices from £172 to £1,754, a £1,581 spread on the same certified stone. Do Amore Diamonds lists it at £1,754. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534265511
Dimensions7.56 × 8.17 × 4.85 mm
L/W Ratio1.08
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
7.56 mm8.17 mm1.73 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534265511
Side View
Table 59.5%Crown 39.3°Girdle: THN-STKPavilion 39.4°Culet: NoneDepth 59.4%

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 30
Current: £1,657 GBP|Low: £167 GBP|High: £1,657 GBP|Avg: £545 GBP
Do Amore Diamonds
Retailer 2
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Retailer 19
November 1, 2026
Retailer 5£172 GBP
Retailer 11£196 GBP
Retailer 19£200 GBP
Retailer 17£214 GBP
Retailer 18£214 GBP
Retailer 16£363 GBP
Retailer 12£384 GBP
Retailer 14£406 GBP
Retailer 2£451 GBP
Retailer 3£465 GBP
Retailer 15£551 GBP
Retailer 6£690 GBP
Retailer 10£759 GBP
Retailer 8£870 GBP
Retailer 4£886 GBP
Retailer 7£916 GBP
Retailer 13£952 GBP
Retailer 9£1,008 GBP
Do Amore Diamonds£1,657 GBP

44 data points across 19 retailers

21 retailers£172 GBP to £1,754 GBP

A
Cheapest Retailer
-
£172 GBP
$231 USD
A
Retailer 2
-
£196 GBP
$262 USD
View
Final sale: no returns
A
Retailer 3
-
£200 GBP
$268 USD
View
A
Retailer 4
-
£214 GBP
$287 USD
View
Retailer 5
-
£214 GBP
$287 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£353 GBP
$473 USD
View
B+
Retailer 7
-
£363 GBP
$486 USD
View
A
Retailer 8
-
£384 GBP
€490 EUR
View
A
Retailer 9
-
£406 GBP
ZAR 8,784 ZAR
View
A
Retailer 10
-
£451 GBP
View
A
Retailer 11
-
£465 GBP
$623 USD
View
B+
Retailer 12
-
£551 GBP
A$1,135 AUD
View
B
Retailer 13
-
£690 GBP
$925 USD
View
B+
Retailer 14
-
£759 GBP
$1,017 USD
View
B
Retailer 15
-
£870 GBP
$1,166 USD
View
B
Retailer 16
-
£886 GBP
$1,187 USD
View
B
Retailer 17
-
£916 GBP
SGD 1,658 SGD
View
B
Retailer 18
-
£952 GBP
View
B
Retailer 19
-
£1,008 GBP
$1,350 USD
View
B
Retailer 20
-
£1,657 GBP
$2,220 USD
View
Most Expensive
B
Do Amore Diamonds
23-534265511 · Nov 1
£1,754 GBP
$2,350 USD
View
20 more retailers have this diamond
Prices start from £172 GBPSave up to £1,581 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
£172 GBP