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Heart|Lab Grown|IGI

1.72ct G SI1 Heart Lab Grown Diamond

EX • G/SI1 • IGI LG596339182

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG596339182

Diamond specifications and retailer prices

From £169 GBP
As of November 6, 2026
Save £1,452 GBP (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,621 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG596339182 or 596339182. Listed at 13 retailers as of November 6, 2026, with prices from £169 to £1,621, a £1,452 spread on the same certified stone. Do Amore Diamonds lists it at £1,621. 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

1.72
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596339182
Dimensions7.67 × 8.24 × 4.86 mm
L/W Ratio1.07
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
7.67 mm8.24 mm1.72 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596339182
Side View
Table 58.0%Crown 32.3°Girdle: MED-THKPavilion 41.3°Culet: NoneDepth 59.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,621 GBP|Low: £162 GBP|High: £1,621 GBP|Avg: £525 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7£169 GBP
Retailer 10£196 GBP
Retailer 8£209 GBP
Retailer 11£209 GBP
Retailer 2£294 GBP
Retailer 3£394 GBP
Retailer 4£434 GBP
Retailer 6£674 GBP
Retailer 9£741 GBP
Retailer 5£923 GBP
Do Amore Diamonds£1,621 GBP

46 data points across 11 retailers

13 retailers£169 GBP to £1,621 GBP

A
Cheapest Retailer
-
£169 GBP
A
Retailer 2
-
£196 GBP
View
A
Retailer 3
-
£209 GBP
View
Retailer 4
-
£209 GBP
View
Price last confirmed 12 days ago
B+
Retailer 5
-
£279 GBP
View
A
Retailer 6
-
£294 GBP
View
A
Retailer 7
-
£352 GBP
View
B+
Retailer 8
-
£434 GBP
View
B+
Retailer 9
-
£480 GBP
View
B
Retailer 10
-
£674 GBP
View
B
Retailer 11
-
£741 GBP
View
B
Retailer 12
-
£923 GBP
View
Most Expensive
B
Do Amore Diamonds
27-0929F884C · Nov 6
£1,621 GBP
$2,170 USD
View
12 more retailers have this diamond
Prices start from £169 GBPSave up to £1,452 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
1.72ct Heart
£169 GBP