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Heart|Lab Grown|IGI

1.01ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG680504962

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG680504962

Diamond specifications and retailer prices

From £171 GBP
$227 USD
As of October 27, 2026
Save £1,311 GBP (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,481 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 LG680504962 or 680504962. Listed at 21 retailers as of October 27, 2026, with prices from £171 to £1,481, a £1,311 spread on the same certified stone. Queensmith lists it at £1,481. 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 angle35.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680504962
Dimensions6.11 × 6.87 × 4.12 mm
L/W Ratio1.12
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
6.11 mm6.87 mm1.01 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680504962
Side View
Table 60.0%Crown 35.7°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 60.0%

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 27
Current: £852 GBP|Low: £166 GBP|High: £1,249 GBP|Avg: £509 GBP|-1.9%
Retailer 1
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Retailer 20
October 29, 2026
Retailer 3£171 GBP
Retailer 7£190 GBP
Retailer 17£198 GBP
Retailer 2£211 GBP
Retailer 8£211 GBP
Retailer 12£219 GBP
Retailer 9£286 GBP
Retailer 15£363 GBP
Retailer 14£393 GBP
Retailer 20£420 GBP
Retailer 5£443 GBP
Retailer 19£449 GBP
Retailer 16£516 GBP
Retailer 18£552 GBP
Retailer 4£680 GBP
Retailer 6£719 GBP
Retailer 1£852 GBP
Retailer 10£962 GBP
Retailer 11£1,071 GBP
Retailer 13£1,249 GBP

32 data points across 20 retailers

21 retailers£171 GBP to £1,481 GBP

A
Cheapest Retailer
-
£171 GBP
$227 USD
A
Retailer 2
-
£190 GBP
$253 USD
View
Final sale: no returns
A
Retailer 3
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£198 GBP
$263 USD
View
A
Retailer 4
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£211 GBP
$281 USD
View
A
Retailer 5
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£211 GBP
$281 USD
View
A
Retailer 6
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£219 GBP
View
A
Retailer 7
-
£286 GBP
$380 USD
View
A
Retailer 8
-
£363 GBP
ZAR 7,797 ZAR
View
A
Retailer 9
-
£393 GBP
View
A
Retailer 10
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£420 GBP
$558 USD
View
B+
Retailer 11
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£443 GBP
$589 USD
View
B+
Retailer 12
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£449 GBP
A$918 AUD
View
B+
Retailer 13
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£516 GBP
A$1,054 AUD
View
B+
Retailer 14
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£552 GBP
$734 USD
View
B+
Retailer 15
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£680 GBP
$903 USD
View
B+
Retailer 16
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£719 GBP
$956 USD
View
B+
Retailer 17
-
£852 GBP
View
B
Retailer 18
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£962 GBP
$1,278 USD
View
B
Retailer 19
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£1,071 GBP
A$2,189 AUD
View
Price last confirmed 21 days ago
B
Retailer 20
-
£1,249 GBP
$1,660 USD
View
Most Expensive
B
Queensmith
LG680504962 · Oct 27
£1,481 GBP
View
20 more retailers have this diamond
Prices start from £171 GBPSave up to £1,311 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
£171 GBP