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Heart|Lab Grown|IGI

1.03ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG758514295

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG758514295

Diamond specifications and retailer prices

From £219 GBP
$294 USD
As of October 30, 2026
Save £863 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,082 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.03ct lab-grown heart diamond

This 1.03ct 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 LG758514295 or 758514295. Listed at 20 retailers as of October 30, 2026, with prices from £219 to £1,082, a £863 spread on the same certified stone. Brilliant Earth lists it at £1,082. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758514295
Dimensions6.38 × 6.91 × 4.00 mm
L/W Ratio1.08
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
6.38 mm6.91 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758514295
Side View
Table 61.0%Crown 36.3°Girdle: STK-THKPavilion 38°Culet: NoneDepth 57.9%

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: £1,082 GBP|Low: £143 GBP|High: £1,269 GBP|Avg: £460 GBP|-14.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 7£199 GBP
Retailer 10£219 GBP
Retailer 12£270 GBP
Retailer 2£324 GBP
Retailer 14£330 GBP
Retailer 8£351 GBP
Retailer 3£411 GBP
Retailer 5£424 GBP
Retailer 15£425 GBP
Retailer 4£469 GBP
Retailer 9£619 GBP
Retailer 6£657 GBP
Retailer 11£773 GBP
Retailer 13£908 GBP
Brilliant Earth£1,082 GBP

37 data points across 15 retailers

20 retailers£219 GBP to £1,082 GBP

Retailer 1
-
£160 GBP
$215 USD
Price last confirmed 23 days ago
Retailer 2
-
£186 GBP
$249 USD
View
Price last confirmed 32 days ago
Retailer 3
-
£196 GBP
$263 USD
View
Price last confirmed 36 days ago
Retailer 4
-
£199 GBP
$266 USD
View
Price last confirmed 28 days ago
Retailer 5
-
£199 GBP
$266 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
£219 GBP
$294 USD
View
Final sale: no returns
A
Retailer 7
-
£270 GBP
$362 USD
View
A
Retailer 8
-
£324 GBP
€413 EUR
View
A
Retailer 9
-
£330 GBP
ZAR 7,135 ZAR
View
A
Retailer 10
-
£351 GBP
View
B+
Retailer 11
-
£411 GBP
$550 USD
View
B+
Retailer 12
-
£424 GBP
$568 USD
View
B+
Retailer 13
-
£425 GBP
$570 USD
View
B+
Retailer 14
-
£469 GBP
A$967 AUD
View
B+
Retailer 15
-
£619 GBP
$829 USD
View
Retailer 16
-
£638 GBP
$855 USD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
£657 GBP
$880 USD
View
B+
Retailer 18
-
£773 GBP
View
B
Retailer 19
-
£908 GBP
$1,217 USD
View
Most Expensive
B
Brilliant Earth
16948211A · Oct 30
£1,082 GBP
$1,450 USD
View
19 more retailers have this diamond
Prices start from £219 GBPSave up to £863 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
1.03ct Heart
£219 GBP