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Heart|Lab Grown|IGI

4.35ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG799648099

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799648099

Diamond specifications and retailer prices

From £2,829 GBP
As of October 30, 2026
Save £15,367 GBP (84%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £18,196 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.35ct lab-grown heart diamond

This 4.35ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799648099 or 799648099. Listed at 7 retailers as of October 29, 2026, with prices from £2,829 to £18,196, a £15,367 spread on the same certified stone. Do Amore Diamonds lists it at £18,196. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.35
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799648099
Dimensions11.19 × 9.85 × 6.66 mm
L/W Ratio1.14
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
11.19 mm9.85 mm4.35 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799648099
Side View
Table 58.0%Crown 36.7°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
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: £18,196 GBP|Low: £2,702 GBP|High: £21,061 GBP|Avg: £7,431 GBP|-13.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 11£2,702 GBP
Retailer 5£2,829 GBP
Retailer 8£4,143 GBP
Retailer 7£4,146 GBP
Retailer 9£4,758 GBP
Retailer 10£5,064 GBP
Retailer 3£5,223 GBP
Retailer 6£7,292 GBP
Retailer 12£8,198 GBP
Retailer 2£10,277 GBP
Retailer 4£14,006 GBP
Do Amore Diamonds£18,196 GBP

17 data points across 12 retailers

7 retailers£2,829 GBP to £18,196 GBP

A
Cheapest Retailer
-
£2,829 GBP
A
Retailer 2
-
£4,143 GBP
$5,551 USD
View
A
Retailer 3
-
£4,146 GBP
$5,555 USD
View
A
Retailer 4
-
£4,758 GBP
$6,375 USD
View
B+
Retailer 5
-
£7,292 GBP
View
B+
Retailer 6
-
£10,277 GBP
$13,770 USD
View
Most Expensive
B
Do Amore Diamonds
27-B1BFF6A79 · Oct 29
£18,196 GBP
$24,380 USD
View
6 more retailers have this diamond
Prices start from £2,829 GBPSave up to £15,367 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
4.35ct Heart
£2,829 GBP