CaratHunter
Plans
Heart|Lab Grown|IGI

0.98ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG689517618

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG689517618

Diamond specifications and retailer prices

From £473 GBP
As of November 4, 2026
Save £898 GBP (66%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,371 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.98ct lab-grown heart diamond

This 0.98ct lab-grown heart sits in the just-under-one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689517618 or 689517618. Listed at 9 retailers as of November 4, 2026, with prices from £473 to £1,371, a £898 spread on the same certified stone. MOH London lists it at £1,371. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.98
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689517618
Dimensions6.43 × 7.09 × 3.89 mm
L/W Ratio1.10
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
6.43 mm7.09 mm0.98 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689517618
Side View
Table 61.0%Crown 36.9°Girdle: MediumPavilion 38°Culet: NoneDepth 54.9%

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 4
Current: £1,371 GBP|Low: £473 GBP|High: £1,391 GBP|Avg: £814 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5£473 GBP
Retailer 8£501 GBP
Retailer 7£517 GBP
Retailer 3£564 GBP
Retailer 2£630 GBP
Retailer 4£851 GBP
Retailer 9£1,159 GBP
Retailer 6£1,260 GBP
MOH London£1,371 GBP

44 data points across 9 retailers

9 retailers£473 GBP to £1,371 GBP

A
Cheapest Retailer
-
£473 GBP
A
Retailer 2
-
£501 GBP
View
A
Retailer 3
-
£517 GBP
View
A
Retailer 4
-
£564 GBP
View
B+
Retailer 5
-
£630 GBP
View
B+
Retailer 6
-
£851 GBP
View
B
Retailer 7
-
£1,159 GBP
View
B
Retailer 8
-
£1,286 GBP
View
Most Expensive
B
MOH London
LG689517618 · Nov 5
£1,371 GBP
View
8 more retailers have this diamond
Prices start from £473 GBPSave up to £898 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
0.98ct Heart
£473 GBP