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Heart|Lab Grown|IGI

1.01ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG642408731

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG642408731

Diamond specifications and retailer prices

From £254 GBP
$340 USD
As of October 30, 2026
Save £1,014 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,267 GBP at MOH London · As of October 29, 2026
View at MOH London

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 LG642408731 or 642408731. Listed at 20 retailers as of October 29, 2026, with prices from £254 to £1,267, a £1,014 spread on the same certified stone. MOH London lists it at £1,267. 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 angle37.7°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642408731
Dimensions6.95 × 6.26 × 4.02 mm
L/W Ratio1.11
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
6.95 mm6.26 mm1.01 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642408731
Side View
Table 58.0%Crown 37.7°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 57.8%

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: £1,267 GBP|Low: £243 GBP|High: £1,276 GBP|Avg: £565 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 30, 2026
Retailer 4£254 GBP
Retailer 8£283 GBP
Retailer 15£294 GBP
Retailer 3£315 GBP
Retailer 16£315 GBP
Retailer 13£429 GBP
Retailer 7£490 GBP
Retailer 2£507 GBP
Retailer 10£516 GBP
Retailer 12£541 GBP
Retailer 9£563 GBP
Retailer 11£764 GBP
Retailer 6£839 GBP
Retailer 14£922 GBP
Retailer 5£1,011 GBP
MOH London£1,267 GBP

43 data points across 16 retailers

20 retailers£254 GBP to £1,267 GBP

A
Cheapest Retailer
-
£254 GBP
$340 USD
A
Retailer 2
-
£283 GBP
$379 USD
View
Final sale: no returns
A
Retailer 3
-
£294 GBP
$394 USD
View
A
Retailer 4
-
£315 GBP
$422 USD
View
A
Retailer 5
-
£315 GBP
$422 USD
View
A
Retailer 6
-
£344 GBP
HK$3,600 HKD
View
B+
Retailer 7
-
£429 GBP
$575 USD
View
B+
Retailer 8
-
£446 GBP
$598 USD
View
B+
Retailer 9
-
£490 GBP
$657 USD
View
B+
Retailer 10
-
£507 GBP
$679 USD
View
B+
Retailer 11
-
£516 GBP
€658 EUR
View
B+
Retailer 12
-
£541 GBP
ZAR 11,702 ZAR
View
B+
Retailer 13
-
£563 GBP
View
B
Retailer 14
-
£764 GBP
A$1,575 AUD
View
B
Retailer 15
-
£839 GBP
SGD 1,519 SGD
View
B
Retailer 16
-
£922 GBP
$1,236 USD
View
B
Retailer 17
-
£1,011 GBP
$1,355 USD
View
B
Retailer 18
-
£1,043 GBP
$1,398 USD
View
B
Retailer 19
-
£1,224 GBP
$1,640 USD
View
Most Expensive
B
MOH London
LG642408731 · Oct 29
£1,267 GBP
View
19 more retailers have this diamond
Prices start from £254 GBPSave up to £1,014 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
£254 GBP