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Heart|Lab Grown|IGI

0.51ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG839630605

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839630605

Diamond specifications and retailer prices

From £140 GBP
$188 USD
As of November 3, 2026
Save £674 GBP (83%) vs most expensive(unlock to see where)
10 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 LG839630605 or 839630605. Listed at 10 retailers as of November 1, 2026, with prices from £140 to £814, a £674 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839630605
Dimensions5.53 × 4.72 × 3.29 mm
L/W Ratio1.17
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
5.53 mm4.72 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839630605
Side View
Table 62.0%Crown 36.2°Girdle: STK-VTKPavilion 38.7°CuletDepth 59.5%

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 3
Current: £276 GBP|Low: £140 GBP|High: £814 GBP|Avg: £385 GBP|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
November 3, 2026
Retailer 6£140 GBP
Retailer 8£209 GBP
Retailer 7£261 GBP
Retailer 1£276 GBP
Retailer 3£282 GBP
Retailer 2£396 GBP
Retailer 5£528 GBP
Retailer 9£540 GBP
Retailer 4£726 GBP
Reve Diamonds£814 GBP

9 data points across 10 retailers

10 retailers£140 GBP to £814 GBP

A
Cheapest Retailer
-
£140 GBP
$188 USD
Final sale: no returns
B+
Retailer 2
-
£209 GBP
$280 USD
View
Retailer 3
-
£261 GBP
A$539 AUD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
£276 GBP
View
B+
Retailer 5
-
£282 GBP
ZAR 6,118 ZAR
View
B
Retailer 6
-
£396 GBP
A$817 AUD
View
B
Retailer 7
-
£528 GBP
$708 USD
View
B
Retailer 8
-
£540 GBP
$725 USD
View
B
Retailer 9
-
£726 GBP
View
Most Expensive
B
Reve Diamonds
C9720D441 · Nov 1
£814 GBP
$1,092 USD
View
9 more retailers have this diamond
Prices start from £140 GBPSave up to £674 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
£140 GBP