CaratHunter
Plans
Heart|Lab Grown|IGI

1.08ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG798612090

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG798612090

Diamond specifications and retailer prices

From £186 GBP
$249 USD
As of October 30, 2026
Save £949 GBP (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,134 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.08ct lab-grown heart diamond

This 1.08ct 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 LG798612090 or 798612090. Listed at 20 retailers as of October 30, 2026, with prices from £186 to £1,134, a £949 spread on the same certified stone. Brilliant Earth lists it at £1,134. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.08
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG798612090
Dimensions7.13 × 6.34 × 4.03 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
7.13 mm6.34 mm1.08 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG798612090
Side View
Table 58.0%Crown 36.6°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 56.5%

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: £1,134 GBP|Low: £143 GBP|High: £1,328 GBP|Avg: £545 GBP|-14.6%
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
October 31, 2026
Retailer 14£186 GBP
Retailer 6£222 GBP
Retailer 8£291 GBP
Retailer 10£356 GBP
Retailer 2£382 GBP
Retailer 4£439 GBP
Retailer 13£448 GBP
Retailer 11£466 GBP
Retailer 12£505 GBP
Retailer 7£536 GBP
Retailer 5£705 GBP
Retailer 3£830 GBP
Retailer 9£947 GBP
Brilliant Earth£1,134 GBP

36 data points across 14 retailers

20 retailers£186 GBP to £1,134 GBP

Retailer 1
-
£174 GBP
$233 USD
Price last confirmed 23 days ago
A
Retailer 2
-
£186 GBP
$249 USD
View
Final sale: no returns
Retailer 3
-
£202 GBP
$270 USD
View
Price last confirmed 32 days ago
Retailer 4
-
£216 GBP
$289 USD
View
Price last confirmed 28 days ago
Retailer 5
-
£216 GBP
$289 USD
View
Price last confirmed 19 days ago
Retailer 6
-
£219 GBP
$294 USD
View
Price last confirmed 36 days ago
A
Retailer 7
-
£291 GBP
$390 USD
View
A
Retailer 8
-
£356 GBP
ZAR 7,696 ZAR
View
A
Retailer 9
-
£382 GBP
View
A
Retailer 10
-
£439 GBP
$588 USD
View
B+
Retailer 11
-
£448 GBP
$600 USD
View
B+
Retailer 12
-
£466 GBP
$624 USD
View
B+
Retailer 13
-
£505 GBP
A$1,041 AUD
View
B+
Retailer 14
-
£536 GBP
$718 USD
View
Retailer 15
-
£693 GBP
$928 USD
View
Price last confirmed 30 days ago
B+
Retailer 16
-
£695 GBP
$931 USD
View
B+
Retailer 17
-
£705 GBP
$944 USD
View
B+
Retailer 18
-
£830 GBP
View
B
Retailer 19
-
£947 GBP
$1,269 USD
View
Most Expensive
B
Brilliant Earth
19793760A · Oct 30
£1,134 GBP
$1,520 USD
View
19 more retailers have this diamond
Prices start from £186 GBPSave up to £949 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
1.08ct Heart
£186 GBP