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Heart|Lab Grown|IGI

3.60ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG831604065

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831604065

Diamond specifications and retailer prices

From £3,369 GBP
$4,486 USD
As of October 29, 2026
Save £9,690 GBP (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £13,059 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 3.6ct lab-grown heart diamond

This 3.6ct 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 LG831604065 or 831604065. Listed at 16 retailers as of October 29, 2026, with prices from £3,369 to £13,059, a £9,690 spread on the same certified stone. With Clarity lists it at £13,059. 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

3.60
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604065
Dimensions10.68 × 9.55 × 6.24 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
10.68 mm9.55 mm3.60 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604065
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 40.9°Culet: NoneDepth 58.4%

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 29
Current: £8,100 GBP|Low: £3,369 GBP|High: £13,059 GBP|Avg: £6,894 GBP|+1.1%
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
With Clarity
October 29, 2026
Retailer 7£3,369 GBP
Retailer 15£3,529 GBP
Retailer 2£3,583 GBP
Retailer 14£4,087 GBP
Retailer 9£4,124 GBP
Retailer 6£4,173 GBP
Retailer 8£4,581 GBP
Retailer 13£5,148 GBP
Retailer 12£6,559 GBP
Retailer 11£7,484 GBP
Retailer 1£8,100 GBP
Retailer 3£10,163 GBP
Retailer 10£11,923 GBP
Retailer 4£12,380 GBP
Retailer 5£12,961 GBP
With Clarity£13,059 GBP

13 data points across 16 retailers

16 retailers£3,369 GBP to £13,059 GBP

A
Cheapest Retailer
-
£3,369 GBP
$4,486 USD
Final sale: no returns
B+
Retailer 2
-
£3,529 GBP
$4,700 USD
View
B+
Retailer 3
-
£3,583 GBP
$4,772 USD
View
B+
Retailer 4
-
£4,087 GBP
$5,443 USD
View
B+
Retailer 5
-
£4,124 GBP
HK$42,900 HKD
View
Retailer 6
-
£4,173 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
£4,581 GBP
View
B+
Retailer 8
-
£5,148 GBP
$6,855 USD
View
B+
Retailer 9
-
£6,559 GBP
$8,735 USD
View
B
Retailer 10
-
£7,484 GBP
View
B+
Retailer 11
-
£8,100 GBP
ZAR 174,266 ZAR
View
B
Retailer 12
-
£10,163 GBP
$13,534 USD
View
B
Retailer 13
-
£11,923 GBP
SGD 21,457 SGD
View
B
Retailer 14
-
£12,380 GBP
$16,487 USD
View
B
Retailer 15
-
£12,961 GBP
$17,260 USD
View
Most Expensive
B
With Clarity
831604065 · Oct 30
£13,059 GBP
$17,390 USD
View
15 more retailers have this diamond
Prices start from £3,369 GBPSave up to £9,690 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
3.60ct Heart
£3,369 GBP