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Heart|Lab Grown|IGI

1.60ct F IF Heart Lab Grown Diamond

ID • F/IF • IGI LG831696666

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831696666

Diamond specifications and retailer prices

From £228 GBP
$306 USD
As of November 2, 2026
Save £1,352 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,580 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831696666 or 831696666. Listed at 20 retailers as of November 2, 2026, with prices from £228 to £1,580, a £1,352 spread on the same certified stone. Brilliant Earth lists it at £1,580. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831696666
Dimensions7.14 × 8.15 × 4.51 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
7.14 mm8.15 mm1.60 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831696666
Side View
Table 59.0%Crown 38.2°Girdle: STK-THKPavilion 35.9°Culet: NoneDepth 55.3%

Caratlytics Score

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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: Nov 2
Current: £1,580 GBP|Low: £228 GBP|High: £2,362 GBP|Avg: £703 GBP|-33.1%
Brilliant Earth
Retailer 2
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Retailer 21
November 3, 2026
Retailer 11£228 GBP
Retailer 9£255 GBP
Retailer 5£265 GBP
Retailer 4£282 GBP
Retailer 21£282 GBP
Retailer 19£292 GBP
Retailer 18£399 GBP
Retailer 10£461 GBP
Retailer 8£478 GBP
Retailer 16£487 GBP
Retailer 15£502 GBP
Retailer 17£659 GBP
Retailer 13£739 GBP
Retailer 3£832 GBP
Retailer 20£908 GBP
Retailer 14£940 GBP
Retailer 6£943 GBP
Retailer 12£999 GBP
Retailer 2£1,132 GBP
Retailer 7£1,239 GBP
Brilliant Earth£1,580 GBP

22 data points across 21 retailers

20 retailers£228 GBP to £1,580 GBP

A
Cheapest Retailer
-
£228 GBP
$306 USD
A
Retailer 2
-
£255 GBP
$342 USD
View
Final sale: no returns
A
Retailer 3
-
£265 GBP
$355 USD
View
Retailer 4
-
£282 GBP
$379 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£282 GBP
$379 USD
View
A
Retailer 6
-
£399 GBP
$535 USD
View
A
Retailer 7
-
£461 GBP
$619 USD
View
A
Retailer 8
-
£478 GBP
$641 USD
View
A
Retailer 9
-
£487 GBP
ZAR 10,562 ZAR
View
A
Retailer 10
-
£502 GBP
View
A
Retailer 11
-
£659 GBP
A$1,360 AUD
View
A
Retailer 12
-
£739 GBP
$992 USD
View
B+
Retailer 13
-
£832 GBP
$1,116 USD
View
B+
Retailer 14
-
£908 GBP
$1,219 USD
View
B+
Retailer 15
-
£940 GBP
SGD 1,705 SGD
View
B+
Retailer 16
-
£943 GBP
$1,266 USD
View
B+
Retailer 17
-
£999 GBP
$1,340 USD
View
B+
Retailer 18
-
£1,132 GBP
View
B
Retailer 19
-
£1,239 GBP
$1,663 USD
View
Most Expensive
B
Brilliant Earth
21813794A · Nov 2
£1,580 GBP
$2,120 USD
View
19 more retailers have this diamond
Prices start from £228 GBPSave up to £1,352 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
£228 GBP