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Heart|Lab Grown|IGI

1.80ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG816616101

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816616101

Diamond specifications and retailer prices

From £978 GBP
$1,311 USD
As of October 30, 2026
Save £3,626 GBP (79%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,605 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.8ct lab-grown heart diamond

This 1.8ct 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 LG816616101 or 816616101. Listed at 7 retailers as of October 30, 2026, with prices from £978 to £4,605, a £3,626 spread on the same certified stone. Do Amore Diamonds lists it at £4,605. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816616101
Dimensions7.19 × 8.36 × 4.99 mm
L/W Ratio1.16
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
7.19 mm8.36 mm1.80 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816616101
Side View
Table 58.0%Crown 36.4°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 59.7%

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: £4,605 GBP|Low: £542 GBP|High: £4,814 GBP|Avg: £1,899 GBP|-4.3%
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 3£542 GBP
Retailer 11£584 GBP
Retailer 8£978 GBP
Retailer 5£981 GBP
Retailer 12£1,205 GBP
Retailer 9£1,302 GBP
Retailer 7£1,438 GBP
Retailer 10£1,501 GBP
Retailer 6£2,492 GBP
Retailer 4£2,952 GBP
Retailer 2£3,157 GBP
Do Amore Diamonds£4,605 GBP

14 data points across 12 retailers

7 retailers£978 GBP to £4,605 GBP

A
Cheapest Retailer
-
£978 GBP
$1,311 USD
A
Retailer 2
-
£981 GBP
$1,315 USD
View
B+
Retailer 3
-
£1,438 GBP
$1,927 USD
View
Retailer 4
-
£1,501 GBP
ZAR 32,499 ZAR
View
Price last confirmed 49 days ago
B+
Retailer 5
-
£2,492 GBP
View
B
Retailer 6
-
£3,157 GBP
$4,230 USD
View
Most Expensive
B
Do Amore Diamonds
27-BB3DDC003 · Oct 30
£4,605 GBP
$6,170 USD
View
6 more retailers have this diamond
Prices start from £978 GBPSave up to £3,626 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
1.80ct Heart
£978 GBP