CaratHunter
Plans
Heart|Lab Grown|IGI

1.04ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG620463032

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620463032

Diamond specifications and retailer prices

From £275 GBP
$368 USD
As of October 30, 2026
Save £1,009 GBP (79%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,284 GBP at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

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 LG620463032 or 620463032. Listed at 22 retailers as of October 27, 2026, with prices from £275 to £1,284, a £1,009 spread on the same certified stone. Brilliant Earth lists it at £1,284. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620463032
Dimensions6.38 × 7.05 × 4.08 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
6.38 mm7.05 mm1.04 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620463032
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 57.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,127 GBP|Low: £237 GBP|High: £1,858 GBP|Avg: £566 GBP|-39.4%
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
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 10£237 GBP
Retailer 5£275 GBP
Retailer 8£307 GBP
Retailer 9£307 GBP
Retailer 13£310 GBP
Retailer 3£405 GBP
Retailer 11£407 GBP
Retailer 4£463 GBP
Retailer 16£478 GBP
Retailer 15£491 GBP
Retailer 18£516 GBP
Retailer 2£537 GBP
Retailer 17£730 GBP
Retailer 12£743 GBP
Retailer 6£999 GBP
Retailer 14£1,083 GBP
Brilliant Earth£1,127 GBP
Retailer 7£1,237 GBP

30 data points across 18 retailers

22 retailers£275 GBP to £1,284 GBP

Retailer 1
-
£237 GBP
$318 USD
Price last confirmed 29 days ago
A
Retailer 2
-
£275 GBP
$368 USD
View
Final sale: no returns
Retailer 3
-
£287 GBP
$385 USD
View
Price last confirmed 32 days ago
Retailer 4
-
£307 GBP
$411 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
£307 GBP
$411 USD
View
A
Retailer 6
-
£310 GBP
View
A
Retailer 7
-
£405 GBP
$542 USD
View
A
Retailer 8
-
£407 GBP
$545 USD
View
B+
Retailer 9
-
£463 GBP
$620 USD
View
B+
Retailer 10
-
£478 GBP
$641 USD
View
B+
Retailer 11
-
£491 GBP
€626 EUR
View
B+
Retailer 12
-
£516 GBP
ZAR 11,178 ZAR
View
B+
Retailer 13
-
£537 GBP
View
B+
Retailer 14
-
£730 GBP
A$1,505 AUD
View
B+
Retailer 15
-
£743 GBP
$995 USD
View
Retailer 16
-
£787 GBP
A$1,621 AUD
View
Price last confirmed 157 days ago
Retailer 17
-
£987 GBP
$1,322 USD
View
Price last confirmed 30 days ago
B
Retailer 18
-
£999 GBP
$1,339 USD
View
B
Retailer 19
-
£1,083 GBP
$1,451 USD
View
B
Retailer 20
-
£1,127 GBP
$1,510 USD
View
Retailer 21
-
£1,237 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
11260590A · Oct 27
£1,284 GBP
$1,720 USD
View
21 more retailers have this diamond
Prices start from £275 GBPSave up to £1,009 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
£275 GBP