CaratHunter
Plans
Heart|Lab Grown|IGI

1.53ct I SI2 Heart Lab Grown Diamond

VG • I/SI2 • IGI LG425067495

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG425067495

Diamond specifications and retailer prices

From £649 GBP
$870 USD
As of October 31, 2026
Save £2,516 GBP (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,166 GBP at MOH London · As of October 27, 2026
View at MOH London

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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG425067495 or 425067495. Listed at 10 retailers as of October 27, 2026, with prices from £649 to £3,166, a £2,516 spread on the same certified stone. MOH London lists it at £3,166. 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

1.53
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425067495
Dimensions7.97 × 7.24 × 4.55 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
7.97 mm7.24 mm1.53 ctI / SI2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG425067495
Side View
Table 55.5%Crown 34.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 57.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £3,166 GBP|Low: £649 GBP|High: £3,199 GBP|Avg: £1,465 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2£649 GBP
Retailer 3£848 GBP
Retailer 7£922 GBP
Retailer 8£950 GBP
Retailer 4£984 GBP
Retailer 10£1,404 GBP
Retailer 5£1,564 GBP
Retailer 6£1,844 GBP
Retailer 9£1,939 GBP
MOH London£3,166 GBP

15 data points across 10 retailers

10 retailers£649 GBP to £3,166 GBP

B+
Cheapest Retailer
-
£649 GBP
$870 USD
B+
Retailer 2
-
£848 GBP
$1,136 USD
View
B
Retailer 3
-
£922 GBP
$1,236 USD
View
B
Retailer 4
-
£950 GBP
$1,273 USD
View
Final sale: no returns
Retailer 5
-
£984 GBP
$1,318 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
£984 GBP
$1,318 USD
View
B
Retailer 7
-
£1,564 GBP
$2,095 USD
View
B
Retailer 8
-
£1,844 GBP
$2,471 USD
View
B
Retailer 9
-
£1,939 GBP
$2,598 USD
View
Most Expensive
B
MOH London
LG425067495 · Oct 27
£3,166 GBP
View
9 more retailers have this diamond
Prices start from £649 GBPSave up to £2,516 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.

B+
1.53ct Heart
£649 GBP