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Heart|Lab Grown|IGI

1.01ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG598393883

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG598393883

Diamond specifications and retailer prices

From £266 GBP
$357 USD
As of October 30, 2026
Save £913 GBP (77%) 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 LG598393883 or 598393883. Listed at 21 retailers as of October 29, 2026, with a 343% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598393883
Dimensions6.34 × 6.69 × 4.10 mm
L/W Ratio1.06
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
6.34 mm6.69 mm1.01 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598393883
Side View
Table 60.0%Crown 36.4°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 61.3%

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: Oct 30
Current: £1,806 GBP|Low: £231 GBP|High: £1,806 GBP|Avg: £573 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
Retailer 18
October 31, 2026
Retailer 10£231 GBP
Retailer 6£266 GBP
Retailer 8£299 GBP
Retailer 9£299 GBP
Retailer 13£302 GBP
Retailer 4£394 GBP
Retailer 11£396 GBP
Retailer 5£440 GBP
Retailer 17£470 GBP
Retailer 15£477 GBP
Retailer 3£503 GBP
Retailer 2£522 GBP
Retailer 18£714 GBP
Retailer 12£722 GBP
Retailer 7£975 GBP
Retailer 14£1,052 GBP
Retailer 16£1,179 GBP
Brilliant Earth£1,806 GBP

37 data points across 18 retailers

21 retailers£266 GBP to £1,179 GBP

Retailer 1
-
£231 GBP
$310 USD
Price last confirmed 29 days ago
A
Retailer 2
-
£266 GBP
$357 USD
View
Final sale: no returns
Retailer 3
-
£280 GBP
$375 USD
View
Price last confirmed 32 days ago
Retailer 4
-
£299 GBP
$400 USD
View
Price last confirmed 28 days ago
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
-
£396 GBP
$530 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
B+
Retailer 15
-
£722 GBP
$967 USD
View
Retailer 16
-
£961 GBP
$1,287 USD
View
Price last confirmed 31 days ago
B
Retailer 17
-
£975 GBP
$1,306 USD
View
B
Retailer 18
-
£1,052 GBP
$1,409 USD
View
Retailer 19
-
£1,062 GBP
A$2,189 AUD
View
Price last confirmed 156 days ago
B
Retailer 20
-
£1,179 GBP
View
Most Expensive
Brilliant Earth
11244693A · Oct 9
£1,806 GBP
$2,420 USD
View
Price last confirmed 22 days ago
20 more retailers have this diamond
Prices start from £266 GBPSave up to £913 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
£266 GBP