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Heart|Lab Grown|IGI

1.04ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG628409138

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG628409138

Diamond specifications and retailer prices

From £158 GBP
$212 USD
As of October 30, 2026
Save £1,357 GBP (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,515 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.04ct lab-grown heart diamond

This 1.04ct 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 LG628409138 or 628409138. Listed at 21 retailers as of October 29, 2026, with prices from £158 to £1,515, a £1,357 spread on the same certified stone. Do Amore Diamonds lists it at £1,515. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle43°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628409138
Dimensions6.95 × 6.27 × 4.12 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 mm6.27 mm1.04 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628409138
Side View
Table 59.0%Crown 37°Girdle: MED-STKPavilion 43°Culet: NoneDepth 59.3%

Caratlytics Score

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A+
Exceptional
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: £1,515 GBP|Low: £158 GBP|High: £1,657 GBP|Avg: £539 GBP|-8.6%
Do Amore Diamonds
Retailer 2
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Retailer 21
October 30, 2026
Retailer 3£158 GBP
Retailer 10£177 GBP
Retailer 20£184 GBP
Retailer 18£196 GBP
Retailer 19£196 GBP
Retailer 4£224 GBP
Retailer 8£263 GBP
Retailer 9£338 GBP
Retailer 14£351 GBP
Retailer 16£372 GBP
Retailer 6£372 GBP
Retailer 13£409 GBP
Retailer 12£479 GBP
Retailer 17£528 GBP
Retailer 5£572 GBP
Retailer 21£696 GBP
Retailer 11£824 GBP
Retailer 15£872 GBP
Retailer 7£919 GBP
Retailer 2£1,083 GBP
Do Amore Diamonds£1,515 GBP

31 data points across 21 retailers

21 retailers£158 GBP to £1,515 GBP

A+
Cheapest Retailer
-
£158 GBP
$212 USD
A
Retailer 2
-
£177 GBP
$237 USD
View
Final sale: no returns
A
Retailer 3
-
£184 GBP
$246 USD
View
A
Retailer 4
-
£196 GBP
$263 USD
View
A
Retailer 5
-
£196 GBP
$263 USD
View
Retailer 6
-
£224 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
£263 GBP
$352 USD
View
Retailer 8
-
£334 GBP
HK$3,500 HKD
View
Price last confirmed 56 days ago
A
Retailer 9
-
£338 GBP
$453 USD
View
A
Retailer 10
-
£372 GBP
ZAR 8,050 ZAR
View
A
Retailer 11
-
£372 GBP
$499 USD
View
A
Retailer 12
-
£409 GBP
View
B+
Retailer 13
-
£479 GBP
A$988 AUD
View
B+
Retailer 14
-
£528 GBP
A$1,088 AUD
View
B+
Retailer 15
-
£572 GBP
$766 USD
View
B+
Retailer 16
-
£696 GBP
$932 USD
View
B
Retailer 17
-
£824 GBP
$1,104 USD
View
B+
Retailer 18
-
£872 GBP
View
B+
Retailer 19
-
£919 GBP
$1,231 USD
View
B
Retailer 20
-
£1,083 GBP
A$2,233 AUD
View
Most Expensive
B
Do Amore Diamonds
27-9CA443856 · Oct 29
£1,515 GBP
$2,030 USD
View
20 more retailers have this diamond
Prices start from £158 GBPSave up to £1,357 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+
1.04ct Heart
£158 GBP