CaratHunter
Plans
Heart|Lab Grown|IGI

1.54ct D IF Heart Lab Grown Diamond

VG • D/IF • IGI LG818654053

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818654053

Diamond specifications and retailer prices

From £228 GBP
$305 USD
As of November 2, 2026
Save £1,870 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £2,097 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.54ct lab-grown heart diamond

This 1.54ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG818654053 or 818654053. Listed at 22 retailers as of October 31, 2026, with prices from £228 to £2,097, a £1,870 spread on the same certified stone. Brilliant Earth lists it at £2,097. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654053
Dimensions7.87 × 7.16 × 4.59 mm
L/W Ratio1.10
Girdle conditionFaceted
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
7.87 mm7.16 mm1.54 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654053
Side View
Table 60.0%Crown 38.2°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 58.3%

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: Nov 2
Current: £2,097 GBP|Low: £228 GBP|High: £2,433 GBP|Avg: £702 GBP|-13.8%
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 8£228 GBP
Retailer 10£254 GBP
Retailer 22£263 GBP
Retailer 6£282 GBP
Retailer 14£282 GBP
Retailer 2£298 GBP
Retailer 19£425 GBP
Retailer 18£453 GBP
Retailer 11£460 GBP
Retailer 5£476 GBP
Retailer 16£486 GBP
Retailer 13£501 GBP
Retailer 20£657 GBP
Retailer 21£730 GBP
Retailer 7£781 GBP
Retailer 15£906 GBP
Retailer 12£937 GBP
Retailer 9£941 GBP
Retailer 3£996 GBP
Retailer 17£1,130 GBP
Retailer 4£1,234 GBP
Brilliant Earth£2,097 GBP

27 data points across 22 retailers

22 retailers£228 GBP to £2,097 GBP

A
Cheapest Retailer
-
£228 GBP
$305 USD
A
Retailer 2
-
£254 GBP
$341 USD
View
Final sale: no returns
A
Retailer 3
-
£263 GBP
$353 USD
View
Retailer 4
-
£282 GBP
$378 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£282 GBP
$378 USD
View
A
Retailer 6
-
£298 GBP
View
A
Retailer 7
-
£425 GBP
$570 USD
View
A
Retailer 8
-
£453 GBP
€578 EUR
View
A
Retailer 9
-
£460 GBP
$617 USD
View
A
Retailer 10
-
£476 GBP
$638 USD
View
A
Retailer 11
-
£486 GBP
ZAR 10,524 ZAR
View
A
Retailer 12
-
£501 GBP
View
A
Retailer 13
-
£657 GBP
A$1,355 AUD
View
B+
Retailer 14
-
£730 GBP
$978 USD
View
B+
Retailer 15
-
£781 GBP
$1,047 USD
View
B+
Retailer 16
-
£906 GBP
$1,214 USD
View
B+
Retailer 17
-
£937 GBP
SGD 1,697 SGD
View
B+
Retailer 18
-
£941 GBP
$1,261 USD
View
B+
Retailer 19
-
£996 GBP
$1,334 USD
View
B+
Retailer 20
-
£1,130 GBP
View
B+
Retailer 21
-
£1,234 GBP
$1,654 USD
View
Most Expensive
B
Brilliant Earth
21421552A · Oct 31
£2,097 GBP
$2,810 USD
View
21 more retailers have this diamond
Prices start from £228 GBPSave up to £1,870 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
1.54ct Heart
£228 GBP