CaratHunter
Plans
Heart|Lab Grown|IGI

1.53ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG778695927

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG778695927

Diamond specifications and retailer prices

From £216 GBP
$289 USD
As of November 2, 2026
Save £2,449 GBP (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,665 GBP at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 1.53ct lab-grown heart diamond

This 1.53ct 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 top-tier cut grade and certified by IGI LG778695927 or 778695927. Listed at 17 retailers as of November 2, 2026, with prices from £216 to £2,665, a £2,449 spread on the same certified stone. Diamond Quarter lists it at £2,665. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778695927
Dimensions8.15 × 7.12 × 4.47 mm
L/W Ratio1.14
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
8.15 mm7.12 mm1.53 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778695927
Side View
Table 56.0%Crown 29.3°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 54.8%

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: £312 GBP|Low: £216 GBP|High: £2,523 GBP|Avg: £851 GBP|-25.1%
Retailer 1
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
November 2, 2026
Retailer 7£216 GBP
Retailer 3£245 GBP
Retailer 18£250 GBP
Retailer 1£312 GBP
Retailer 11£332 GBP
Retailer 2£336 GBP
Retailer 17£359 GBP
Retailer 15£462 GBP
Retailer 10£538 GBP
Retailer 9£567 GBP
Retailer 14£688 GBP
Retailer 12£822 GBP
Retailer 5£949 GBP
Retailer 6£1,047 GBP
Retailer 16£1,190 GBP
Retailer 4£1,918 GBP
Retailer 13£2,075 GBP
Retailer 8£2,084 GBP

26 data points across 18 retailers

17 retailers£216 GBP to £2,665 GBP

A
Cheapest Retailer
-
£216 GBP
$289 USD
A
Retailer 2
-
£245 GBP
$328 USD
View
Final sale: no returns
A
Retailer 3
-
£250 GBP
$335 USD
View
A
Retailer 4
-
£312 GBP
View
A
Retailer 5
-
£332 GBP
$445 USD
View
A
Retailer 6
-
£336 GBP
$450 USD
View
A
Retailer 7
-
£359 GBP
$481 USD
View
A
Retailer 8
-
£462 GBP
$619 USD
View
A
Retailer 9
-
£688 GBP
A$1,419 AUD
View
A
Retailer 10
-
£822 GBP
$1,101 USD
View
B+
Retailer 11
-
£949 GBP
$1,272 USD
View
B+
Retailer 12
-
£1,047 GBP
$1,403 USD
View
B+
Retailer 13
-
£1,190 GBP
View
B
Retailer 14
-
£1,918 GBP
$2,570 USD
View
B
Retailer 15
-
£2,075 GBP
$2,780 USD
View
B
Retailer 16
-
£2,084 GBP
$2,792 USD
View
Most Expensive
B
Diamond Quarter
1.53IFDLG50095EN · Nov 2
£2,665 GBP
View
16 more retailers have this diamond
Prices start from £216 GBPSave up to £2,449 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
1.53ct Heart
£216 GBP