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Heart|Lab Grown|IGI

1.01ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG598393884

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG598393884

Diamond specifications and retailer prices

From £236 GBP
$316 USD
As of October 30, 2026
Save £943 GBP (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,806 GBP at Brilliant Earth · As of October 9, 2026
View at Brilliant Earth

About this 1.01ct lab-grown heart diamond

This 1.01ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG598393884 or 598393884. Listed at 21 retailers as of October 29, 2026, with a 400% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598393884
Dimensions6.90 × 6.38 × 3.97 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
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
6.90 mm6.38 mm1.01 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598393884
Side View
Table 55.0%Crown 34.6°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 57.5%

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: Oct 30
Current: £1,806 GBP|Low: £231 GBP|High: £1,806 GBP|Avg: £596 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 20
October 30, 2026
Retailer 8£236 GBP
Retailer 9£266 GBP
Retailer 5£274 GBP
Retailer 15£293 GBP
Retailer 12£299 GBP
Retailer 2£302 GBP
Retailer 4£394 GBP
Retailer 6£403 GBP
Retailer 7£440 GBP
Retailer 18£470 GBP
Retailer 16£477 GBP
Retailer 3£503 GBP
Retailer 13£522 GBP
Retailer 20£714 GBP
Retailer 11£876 GBP
Retailer 19£940 GBP
Retailer 10£975 GBP
Retailer 14£1,052 GBP
Retailer 17£1,179 GBP
Brilliant Earth£1,806 GBP

33 data points across 20 retailers

21 retailers£236 GBP to £1,179 GBP

A
Cheapest Retailer
-
£236 GBP
$316 USD
A
Retailer 2
-
£266 GBP
$357 USD
View
Final sale: no returns
A
Retailer 3
-
£274 GBP
$367 USD
View
A
Retailer 4
-
£293 GBP
$392 USD
View
A
Retailer 5
-
£299 GBP
$400 USD
View
A
Retailer 6
-
£302 GBP
View
A
Retailer 7
-
£394 GBP
$528 USD
View
A
Retailer 8
-
£403 GBP
$540 USD
View
B+
Retailer 9
-
£440 GBP
$589 USD
View
B+
Retailer 10
-
£470 GBP
$630 USD
View
B+
Retailer 11
-
£477 GBP
€609 EUR
View
B+
Retailer 12
-
£503 GBP
ZAR 10,883 ZAR
View
B+
Retailer 13
-
£522 GBP
View
B+
Retailer 14
-
£714 GBP
A$1,471 AUD
View
Retailer 15
-
£764 GBP
A$1,575 AUD
View
Price last confirmed 153 days ago
B
Retailer 16
-
£876 GBP
$1,174 USD
View
B+
Retailer 17
-
£940 GBP
$1,260 USD
View
B
Retailer 18
-
£975 GBP
$1,306 USD
View
B
Retailer 19
-
£1,052 GBP
$1,409 USD
View
B
Retailer 20
-
£1,179 GBP
View
Most Expensive
Brilliant Earth
11245081A · Oct 9
£1,806 GBP
$2,420 USD
View
Price last confirmed 21 days ago
20 more retailers have this diamond
Prices start from £236 GBPSave up to £943 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
1.01ct Heart
£236 GBP