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Heart|Lab Grown|IGI

0.51ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG839630339

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839630339

Diamond specifications and retailer prices

From £125 GBP
$168 USD
As of November 2, 2026
Save £689 GBP (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £814 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839630339 or 839630339. Listed at 16 retailers as of November 1, 2026, with prices from £125 to £814, a £689 spread on the same certified stone. Reve Diamonds lists it at £814. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839630339
Dimensions5.00 × 5.66 × 3.03 mm
L/W Ratio1.13
Girdle conditionFaceted
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
5.00 mm5.66 mm0.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839630339
Side View
Table 64.0%Crown 35.3°Girdle: MED-VTKPavilion 39.2°Culet: NoneDepth 53.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £276 GBP|Low: £125 GBP|High: £814 GBP|Avg: £346 GBP|+3.2%
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
Reve Diamonds
November 3, 2026
Retailer 14£125 GBP
Retailer 3£140 GBP
Retailer 12£145 GBP
Retailer 5£155 GBP
Retailer 11£155 GBP
Retailer 2£209 GBP
Retailer 13£267 GBP
Retailer 1£276 GBP
Retailer 9£282 GBP
Retailer 6£321 GBP
Retailer 8£396 GBP
Retailer 4£500 GBP
Retailer 15£528 GBP
Retailer 7£540 GBP
Retailer 10£726 GBP
Reve Diamonds£814 GBP

14 data points across 16 retailers

16 retailers£125 GBP to £814 GBP

A
Cheapest Retailer
-
£125 GBP
$168 USD
A
Retailer 2
-
£140 GBP
$188 USD
View
Final sale: no returns
A
Retailer 3
-
£145 GBP
$195 USD
View
Retailer 4
-
£155 GBP
$208 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
£155 GBP
$208 USD
View
B+
Retailer 6
-
£209 GBP
$280 USD
View
Retailer 7
-
£267 GBP
A$550 AUD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
£276 GBP
View
B+
Retailer 9
-
£282 GBP
ZAR 6,118 ZAR
View
B
Retailer 10
-
£321 GBP
$430 USD
View
B
Retailer 11
-
£396 GBP
A$817 AUD
View
B
Retailer 12
-
£500 GBP
$670 USD
View
B
Retailer 13
-
£528 GBP
$708 USD
View
B
Retailer 14
-
£540 GBP
$725 USD
View
B
Retailer 15
-
£726 GBP
View
Most Expensive
B
Reve Diamonds
0B291AA0B · Nov 1
£814 GBP
$1,092 USD
View
15 more retailers have this diamond
Prices start from £125 GBPSave up to £689 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
0.51ct Heart
£125 GBP