CaratHunter
Plans
Heart|Lab Grown|IGI

1.63ct H IF Heart Lab Grown Diamond

ID • H/IF • IGI LG581348386

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG581348386

Diamond specifications and retailer prices

From £240 GBP
$322 USD
As of October 30, 2026
Save £955 GBP (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,195 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.63ct lab-grown heart diamond

This 1.63ct lab-grown heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG581348386 or 581348386. Listed at 16 retailers as of October 30, 2026, with prices from £240 to £1,195, a £955 spread on the same certified stone. MOH London lists it at £1,195. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
H
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle43.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581348386
Dimensions7.21 × 8.19 × 4.81 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 Faint Blue
Top View
7.21 mm8.19 mm1.63 ctH / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581348386
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 43.8°Culet: NoneDepth 58.7%

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: £1,195 GBP|Low: £184 GBP|High: £1,784 GBP|Avg: £718 GBP
MOH London
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 1, 2026
Retailer 15£240 GBP
Retailer 17£269 GBP
Retailer 16£299 GBP
Retailer 9£315 GBP
Retailer 14£402 GBP
Retailer 13£414 GBP
Retailer 6£461 GBP
Retailer 18£494 GBP
Retailer 12£513 GBP
Retailer 3£520 GBP
Retailer 11£695 GBP
Retailer 2£875 GBP
Retailer 10£920 GBP
Retailer 4£992 GBP
Retailer 7£1,152 GBP
Retailer 8£1,155 GBP
MOH London£1,195 GBP
Retailer 5£1,784 GBP

29 data points across 18 retailers

16 retailers£240 GBP to £1,195 GBP

A
Cheapest Retailer
-
£240 GBP
$322 USD
A
Retailer 2
-
£269 GBP
$361 USD
View
Final sale: no returns
A
Retailer 3
-
£279 GBP
$374 USD
View
A
Retailer 4
-
£299 GBP
$400 USD
View
Retailer 5
-
£299 GBP
$400 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£402 GBP
$538 USD
View
A
Retailer 7
-
£414 GBP
$555 USD
View
B+
Retailer 8
-
£494 GBP
$662 USD
View
A
Retailer 9
-
£513 GBP
ZAR 11,094 ZAR
View
B+
Retailer 10
-
£520 GBP
$697 USD
View
B+
Retailer 11
-
£695 GBP
A$1,433 AUD
View
B+
Retailer 12
-
£713 GBP
$955 USD
View
B+
Retailer 13
-
£875 GBP
$1,172 USD
View
B+
Retailer 14
-
£959 GBP
$1,285 USD
View
B+
Retailer 15
-
£992 GBP
$1,330 USD
View
Most Expensive
B+
MOH London
LG581348386 · Nov 1
£1,195 GBP
View
15 more retailers have this diamond
Prices start from £240 GBPSave up to £955 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
1.63ct Heart
£240 GBP