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Heart|Lab Grown|IGI

0.78ct D VVS1 Heart Lab Grown Diamond

VG • D/VVS1 • IGI LG831697235

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831697235

Diamond specifications and retailer prices

From £148 GBP
$198 USD
As of October 30, 2026
Save £737 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £885 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 very-good cut grade and certified by IGI LG831697235 or 831697235. Listed at 17 retailers as of October 30, 2026, with prices from £148 to £885, a £737 spread on the same certified stone. Reve Diamonds lists it at £885. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.78
Carat
D
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831697235
Dimensions5.81 × 6.42 × 3.67 mm
L/W Ratio1.10
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
5.81 mm6.42 mm0.78 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831697235
Side View
Table 58.0%Crown 34.3°Girdle: MED-THKPavilion 38.1°Culet: NoneDepth 57.2%

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: £335 GBP|Low: £148 GBP|High: £885 GBP|Avg: £398 GBP|+0.6%
Retailer 1
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Retailer 11
Retailer 12
Retailer 13
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Retailer 16
Reve Diamonds
November 2, 2026
Retailer 6£148 GBP
Retailer 16£165 GBP
Retailer 3£171 GBP
Retailer 13£183 GBP
Retailer 2£259 GBP
Retailer 4£269 GBP
Retailer 11£310 GBP
Retailer 9£333 GBP
Retailer 1£335 GBP
Retailer 7£389 GBP
Retailer 14£408 GBP
Retailer 12£465 GBP
Retailer 5£484 GBP
Retailer 15£589 GBP
Retailer 8£628 GBP
Retailer 10£856 GBP
Reve Diamonds£885 GBP

8 data points across 17 retailers

17 retailers£148 GBP to £885 GBP

A
Cheapest Retailer
-
£148 GBP
$198 USD
A
Retailer 2
-
£165 GBP
$221 USD
View
Final sale: no returns
A
Retailer 3
-
£171 GBP
$230 USD
View
A
Retailer 4
-
£183 GBP
$246 USD
View
B+
Retailer 5
-
£259 GBP
$348 USD
View
B+
Retailer 6
-
£269 GBP
$361 USD
View
B+
Retailer 7
-
£310 GBP
€396 EUR
View
B
Retailer 8
-
£333 GBP
ZAR 7,210 ZAR
View
B+
Retailer 9
-
£335 GBP
View
B
Retailer 10
-
£389 GBP
$522 USD
View
B
Retailer 11
-
£408 GBP
$548 USD
View
B
Retailer 12
-
£465 GBP
$624 USD
View
B
Retailer 13
-
£484 GBP
$650 USD
View
B
Retailer 14
-
£589 GBP
$790 USD
View
B
Retailer 15
-
£628 GBP
$843 USD
View
B
Retailer 16
-
£856 GBP
View
Most Expensive
B
Reve Diamonds
6ED165DB7 · Nov 1
£885 GBP
$1,187 USD
View
16 more retailers have this diamond
Prices start from £148 GBPSave up to £737 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
£148 GBP