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Heart|Lab Grown|IGI

1.60ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840634926

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840634926

Diamond specifications and retailer prices

From £649 GBP
$870 USD
As of October 30, 2026
Save £2,661 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,311 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.6ct lab-grown heart diamond

This 1.6ct 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 LG840634926 or 840634926. Listed at 15 retailers as of October 30, 2026, with prices from £649 to £3,311, a £2,661 spread on the same certified stone. With Clarity lists it at £3,311. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634926
Dimensions8.11 × 7.33 × 4.53 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.11 mm7.33 mm1.60 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634926
Side View
Table 61.0%Crown 34.3°Girdle: MED-THKPavilion 38°Culet: NoneDepth 55.9%

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: £2,866 GBP|Low: £649 GBP|High: £3,821 GBP|Avg: £1,681 GBP|-25.0%
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
With Clarity
October 30, 2026
Retailer 3£649 GBP
Retailer 7£673 GBP
Retailer 12£724 GBP
Retailer 14£933 GBP
Retailer 8£950 GBP
Retailer 11£965 GBP
Retailer 10£1,090 GBP
Retailer 9£1,110 GBP
Retailer 5£1,515 GBP
Retailer 4£1,955 GBP
Retailer 2£2,046 GBP
Retailer 6£2,331 GBP
Retailer 13£2,502 GBP
Retailer 1£2,866 GBP
With Clarity£3,311 GBP

15 data points across 15 retailers

15 retailers£649 GBP to £3,311 GBP

A
Cheapest Retailer
-
£649 GBP
$870 USD
Final sale: no returns
A
Retailer 2
-
£673 GBP
View
A
Retailer 3
-
£724 GBP
$970 USD
View
B+
Retailer 4
-
£933 GBP
$1,250 USD
View
A
Retailer 5
-
£950 GBP
View
B+
Retailer 6
-
£965 GBP
$1,293 USD
View
B+
Retailer 7
-
£1,090 GBP
ZAR 23,603 ZAR
View
B+
Retailer 8
-
£1,110 GBP
€1,416 EUR
View
B+
Retailer 9
-
£1,515 GBP
$2,030 USD
View
B+
Retailer 10
-
£1,955 GBP
$2,619 USD
View
B+
Retailer 11
-
£2,046 GBP
$2,741 USD
View
B
Retailer 12
-
£2,331 GBP
SGD 4,220 SGD
View
B
Retailer 13
-
£2,502 GBP
View
B
Retailer 14
-
£2,866 GBP
$3,840 USD
View
Most Expensive
B
With Clarity
840634926 · Oct 30
£3,311 GBP
$4,436 USD
View
14 more retailers have this diamond
Prices start from £649 GBPSave up to £2,661 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
1.60ct Heart
£649 GBP