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Heart|Lab Grown|IGI

1.01ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG598342251

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG598342251

Diamond specifications and retailer prices

From £193 GBP
$259 USD
As of October 30, 2026
Save £839 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,032 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.01ct lab-grown heart diamond

This 1.01ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG598342251 or 598342251. Listed at 17 retailers as of October 30, 2026, with prices from £193 to £1,032, a £839 spread on the same certified stone. Reve Diamonds lists it at £1,032. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598342251
Dimensions5.94 × 7.06 × 4.17 mm
L/W Ratio1.19
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
5.94 mm7.06 mm1.01 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598342251
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 59.1%

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: £459 GBP|Low: £154 GBP|High: £1,032 GBP|Avg: £536 GBP|+4.6%
Retailer 1
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Retailer 11
Retailer 12
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Retailer 17
Reve Diamonds
October 31, 2026
Retailer 16£193 GBP
Retailer 6£216 GBP
Retailer 4£225 GBP
Retailer 2£240 GBP
Retailer 5£240 GBP
Retailer 15£322 GBP
Retailer 13£358 GBP
Retailer 12£412 GBP
Retailer 7£434 GBP
Retailer 1£459 GBP
Retailer 11£584 GBP
Retailer 14£588 GBP
Retailer 3£772 GBP
Retailer 8£810 GBP
Retailer 9£827 GBP
Retailer 10£967 GBP
Retailer 17£1,000 GBP
Reve Diamonds£1,032 GBP

43 data points across 18 retailers

17 retailers£193 GBP to £1,032 GBP

A
Cheapest Retailer
-
£193 GBP
$259 USD
A
Retailer 2
-
£216 GBP
$290 USD
View
Final sale: no returns
A
Retailer 3
-
£225 GBP
$301 USD
View
A
Retailer 4
-
£240 GBP
$322 USD
View
A
Retailer 5
-
£240 GBP
$322 USD
View
A
Retailer 6
-
£322 GBP
$432 USD
View
A
Retailer 7
-
£358 GBP
$480 USD
View
A
Retailer 8
-
£412 GBP
ZAR 8,925 ZAR
View
B+
Retailer 9
-
£434 GBP
$582 USD
View
B+
Retailer 10
-
£459 GBP
View
B+
Retailer 11
-
£584 GBP
A$1,204 AUD
View
B+
Retailer 12
-
£588 GBP
$788 USD
View
B
Retailer 13
-
£772 GBP
$1,034 USD
View
B
Retailer 14
-
£810 GBP
$1,085 USD
View
B
Retailer 15
-
£967 GBP
View
Retailer 16
-
£1,000 GBP
$1,340 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Reve Diamonds
EA3338A9E · Oct 30
£1,032 GBP
$1,383 USD
View
16 more retailers have this diamond
Prices start from £193 GBPSave up to £839 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
£193 GBP