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Heart|Lab Grown|IGI

1.93ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846664604

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846664604

Diamond specifications and retailer prices

From £639 GBP
$858 USD
As of November 1, 2026
Save £3,005 GBP (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,644 GBP at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.93ct lab-grown heart diamond

This 1.93ct 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 top-tier cut grade and certified by IGI LG846664604 or 846664604. Listed at 9 retailers as of November 1, 2026, with prices from £639 to £3,644, a £3,005 spread on the same certified stone. Brilliant Earth lists it at £3,644. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.93
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846664604
Dimensions7.37 × 8.68 × 5.25 mm
L/W Ratio1.18
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
7.37 mm8.68 mm1.93 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846664604
Side View
Table 59.0%Crown 35°Girdle: STK-VTKPavilion 40.5°Culet: NoneDepth 60.5%

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: Nov 1
Current: £3,644 GBP|Low: £639 GBP|High: £3,644 GBP|Avg: £2,010 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3£639 GBP
Retailer 6£770 GBP
Retailer 5£1,101 GBP
Retailer 2£1,338 GBP
Retailer 7£1,916 GBP
Retailer 9£2,506 GBP
Retailer 4£2,554 GBP
Retailer 8£3,037 GBP
Brilliant Earth£3,644 GBP

3 data points across 9 retailers

9 retailers£639 GBP to £3,644 GBP

A
Cheapest Retailer
-
£639 GBP
$858 USD
A
Retailer 2
-
£770 GBP
View
B+
Retailer 3
-
£1,101 GBP
$1,477 USD
View
B+
Retailer 4
-
£1,338 GBP
$1,796 USD
View
B
Retailer 5
-
£1,916 GBP
$2,571 USD
View
B
Retailer 6
-
£2,506 GBP
$3,363 USD
View
B
Retailer 7
-
£2,554 GBP
View
B
Retailer 8
-
£3,037 GBP
$4,076 USD
View
Most Expensive
B
Brilliant Earth
22427155A · Nov 1
£3,644 GBP
$4,890 USD
View
8 more retailers have this diamond
Prices start from £639 GBPSave up to £3,005 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
1.93ct Heart
£639 GBP