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Heart|Lab Grown|IGI

1.53ct D FL Heart Lab Grown Diamond

VG • D/FL • IGI LG816615937

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816615937

Diamond specifications and retailer prices

From £419 GBP
As of November 4, 2026
Save £3,300 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,719 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.53ct lab-grown heart diamond

This 1.53ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG816615937 or 816615937. Listed at 11 retailers as of November 4, 2026, with prices from £419 to £3,719, a £3,300 spread on the same certified stone. Do Amore Diamonds lists it at £3,719. 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

1.53
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615937
Dimensions8.18 × 7.38 × 4.35 mm
L/W Ratio1.11
Girdle conditionFaceted
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
8.18 mm7.38 mm1.53 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615937
Side View
Table 60.0%Crown 35.3°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 53.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £3,719 GBP|Low: £419 GBP|High: £4,089 GBP|Avg: £1,531 GBP|-9.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 12£419 GBP
Retailer 3£469 GBP
Retailer 7£554 GBP
Retailer 14£687 GBP
Retailer 13£799 GBP
Retailer 10£800 GBP
Retailer 6£912 GBP
Retailer 4£1,161 GBP
Retailer 9£1,256 GBP
Retailer 15£1,507 GBP
Retailer 8£1,759 GBP
Retailer 2£2,252 GBP
Retailer 11£2,519 GBP
Retailer 5£2,632 GBP
Do Amore Diamonds£3,719 GBP

24 data points across 15 retailers

11 retailers£419 GBP to £3,719 GBP

A
Cheapest Retailer
-
£419 GBP
A
Retailer 2
-
£469 GBP
View
A
Retailer 3
-
£687 GBP
View
A
Retailer 4
-
£799 GBP
View
B+
Retailer 5
-
£800 GBP
View
B+
Retailer 6
-
£1,256 GBP
View
B+
Retailer 7
-
£1,507 GBP
View
B
Retailer 8
-
£1,759 GBP
View
B
Retailer 9
-
£2,252 GBP
View
B
Retailer 10
-
£2,519 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C083F7DFE · Nov 4
£3,719 GBP
$5,020 USD
View
10 more retailers have this diamond
Prices start from £419 GBPSave up to £3,300 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
1.53ct Heart
£419 GBP