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Heart|Lab Grown|IGI

1.97ct E SI1 Heart Lab Grown Diamond

VG • E/SI1 • IGI LG828616958

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828616958

Diamond specifications and retailer prices

From £189 GBP
$252 USD
As of October 28, 2026
Save £1,703 GBP (90%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,892 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.97ct lab-grown heart diamond

This 1.97ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG828616958 or 828616958. Listed at 3 retailers as of October 28, 2026, with prices from £189 to £1,892, a £1,703 spread on the same certified stone. Brilliant Earth lists it at £1,892. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.97
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828616958
Dimensions7.69 × 8.63 × 5.01 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.69 mm8.63 mm1.97 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828616958
Side View
Table 59.0%Crown 36.1°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 58.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £1,892 GBP|Low: £189 GBP|High: £1,892 GBP|Avg: £715 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 3£189 GBP
Retailer 4£369 GBP
Retailer 2£412 GBP
Brilliant Earth£1,892 GBP

39 data points across 4 retailers

3 retailers£189 GBP to £1,892 GBP

A
Cheapest Retailer
-
£189 GBP
$252 USD
Final sale: no returns
B+
Retailer 2
-
£412 GBP
View
Most Expensive
C
Brilliant Earth
21227435A · Oct 28
£1,892 GBP
$2,520 USD
View
2 more retailers have this diamond
Prices start from £189 GBPSave up to £1,703 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
1.97ct Heart
£189 GBP