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Heart|Lab Grown|IGI

0.78ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG782688981

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG782688981

Diamond specifications and retailer prices

From £143 GBP
$191 USD
As of October 30, 2026
Save £728 GBP (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £871 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 0.78ct lab-grown heart diamond

This 0.78ct lab-grown heart sits in the just-under-one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG782688981 or 782688981. Listed at 20 retailers as of October 30, 2026, with prices from £143 to £871, a £728 spread on the same certified stone. Reve Diamonds lists it at £871. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782688981
Dimensions5.97 × 6.32 × 3.61 mm
L/W Ratio1.06
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
5.97 mm6.32 mm0.78 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782688981
Side View
Table 55.0%Crown 34.3°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 57.1%

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: Oct 30
Current: £323 GBP|Low: £140 GBP|High: £871 GBP|Avg: £361 GBP|+0.5%
Retailer 1
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Retailer 11
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Retailer 18
Reve Diamonds
November 2, 2026
Retailer 4£143 GBP
Retailer 2£166 GBP
Retailer 11£170 GBP
Retailer 17£177 GBP
Retailer 9£181 GBP
Retailer 18£250 GBP
Retailer 3£268 GBP
Retailer 15£301 GBP
Retailer 12£322 GBP
Retailer 1£323 GBP
Retailer 5£374 GBP
Retailer 7£404 GBP
Retailer 16£448 GBP
Retailer 6£452 GBP
Retailer 10£493 GBP
Retailer 14£569 GBP
Retailer 8£610 GBP
Retailer 13£828 GBP
Reve Diamonds£871 GBP

33 data points across 19 retailers

20 retailers£143 GBP to £871 GBP

A
Cheapest Retailer
-
£143 GBP
$191 USD
A
Retailer 2
-
£166 GBP
$222 USD
View
A
Retailer 3
-
£170 GBP
$228 USD
View
Final sale: no returns
A
Retailer 4
-
£177 GBP
$237 USD
View
Retailer 5
-
£181 GBP
$243 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£250 GBP
$335 USD
View
B+
Retailer 7
-
£268 GBP
$359 USD
View
B+
Retailer 8
-
£301 GBP
€384 EUR
View
B+
Retailer 9
-
£322 GBP
ZAR 6,970 ZAR
View
B+
Retailer 10
-
£323 GBP
View
B+
Retailer 11
-
£374 GBP
$501 USD
View
B+
Retailer 12
-
£404 GBP
$541 USD
View
B
Retailer 13
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£448 GBP
$600 USD
View
B
Retailer 14
-
£452 GBP
A$932 AUD
View
B
Retailer 15
-
£493 GBP
$660 USD
View
B
Retailer 16
-
£569 GBP
$763 USD
View
B
Retailer 17
-
£586 GBP
$785 USD
View
B
Retailer 18
-
£610 GBP
$817 USD
View
B
Retailer 19
-
£828 GBP
View
Most Expensive
B
Reve Diamonds
A2DA93DE6 · Nov 1
£871 GBP
$1,166 USD
View
19 more retailers have this diamond
Prices start from £143 GBPSave up to £728 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
0.78ct Heart
£143 GBP