CaratHunter
Plans
Heart|Lab Grown|IGI

3.80ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG831604185

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831604185

Diamond specifications and retailer prices

From £3,062 GBP
$4,103 USD
As of October 30, 2026
Save £10,251 GBP (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £13,313 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 3.8ct lab-grown heart diamond

This 3.8ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831604185 or 831604185. Listed at 18 retailers as of October 30, 2026, with prices from £3,062 to £13,313, a £10,251 spread on the same certified stone. With Clarity lists it at £13,313. 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

3.80
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604185
Dimensions9.64 × 10.82 × 6.42 mm
L/W Ratio1.12
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
9.64 mm10.82 mm3.80 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604185
Side View
Table 58.0%Crown 35.6°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 59.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £8,521 GBP|Low: £3,062 GBP|High: £13,313 GBP|Avg: £6,714 GBP|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
With Clarity
October 30, 2026
Retailer 11£3,062 GBP
Retailer 7£3,209 GBP
Retailer 2£3,359 GBP
Retailer 6£3,429 GBP
Retailer 14£3,552 GBP
Retailer 16£3,590 GBP
Retailer 4£3,877 GBP
Retailer 10£3,984 GBP
Retailer 12£4,239 GBP
Retailer 3£4,438 GBP
Retailer 15£4,670 GBP
Retailer 17£7,649 GBP
Retailer 13£8,247 GBP
Retailer 1£8,521 GBP
Retailer 8£10,348 GBP
Retailer 9£12,155 GBP
Retailer 5£12,622 GBP
With Clarity£13,313 GBP

4 data points across 18 retailers

18 retailers£3,062 GBP to £13,313 GBP

A
Cheapest Retailer
-
£3,062 GBP
$4,103 USD
A
Retailer 2
-
£3,209 GBP
$4,300 USD
View
A
Retailer 3
-
£3,359 GBP
$4,501 USD
View
B+
Retailer 4
-
£3,429 GBP
$4,595 USD
View
Final sale: no returns
B+
Retailer 5
-
£3,552 GBP
$4,759 USD
View
B+
Retailer 6
-
£3,590 GBP
$4,810 USD
View
B+
Retailer 7
-
£3,877 GBP
$5,195 USD
View
B+
Retailer 8
-
£3,984 GBP
HK$41,700 HKD
View
B+
Retailer 9
-
£4,239 GBP
View
B+
Retailer 10
-
£4,438 GBP
$5,947 USD
View
B+
Retailer 11
-
£4,670 GBP
View
B
Retailer 12
-
£7,649 GBP
View
B
Retailer 13
-
£8,247 GBP
ZAR 178,516 ZAR
View
B+
Retailer 14
-
£8,521 GBP
$11,417 USD
View
B
Retailer 15
-
£10,348 GBP
$13,866 USD
View
B
Retailer 16
-
£12,155 GBP
SGD 22,008 SGD
View
B
Retailer 17
-
£12,622 GBP
$16,913 USD
View
Most Expensive
B
With Clarity
831604185 · Oct 30
£13,313 GBP
$17,838 USD
View
17 more retailers have this diamond
Prices start from £3,062 GBPSave up to £10,251 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
3.80ct Heart
£3,062 GBP