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Heart|Lab Grown|IGI

0.51ct D SI1 Heart Lab Grown Diamond

EX • D/SI1 • IGI LG786601058

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG786601058

Diamond specifications and retailer prices

From £239 GBP
HK$2,500 HKD
As of October 31, 2026
1 retailer carries this diamond
Only listing: £239 GBP at Ting Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Ting Diamond

About this 0.51ct lab-grown heart diamond

This 0.51ct lab-grown heart sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786601058 or 786601058. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786601058
Dimensions4.99 × 5.39 × 3.28 mm
L/W Ratio1.08
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
4.99 mm5.39 mm0.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG786601058
Side View
Table 59.0%Crown 35.4°Girdle: MED-THKPavilion 42.3°Culet: NoneDepth 60.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £231 GBP|Low: £216 GBP|High: £843 GBP|Avg: £362 GBP|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Ting Diamond
September 18, 2026
Retailer 3£216 GBP
Retailer 1£231 GBP
Retailer 2£237 GBP
Ting Diamond£239 GBP
Retailer 4£843 GBP

3 data points across 5 retailers

1 retailer

B
Ting Diamond
10152890 · Oct 31
£239 GBP
HK$2,500 HKD
View

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
0.51ct Heart
£239 GBP