Heart|Lab Grown|IGI

0.77ct D VS1 Heart Lab Grown Diamond

VG • D/VS1 • IGI LG848666364

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG848666364

Diamond specifications and retailer prices

From £143 GBP
HK$1,500 HKD
As of November 1, 2026
Save £416 GBP (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £559 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 0.77ct lab-grown heart diamond

This 0.77ct lab-grown heart sits in the just-under-one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG848666364 or 848666364. Listed at 8 retailers as of November 1, 2026, with prices from £143 to £559, a £416 spread on the same certified stone. Brilliant Earth lists it at £559. 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

0.77
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.8°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848666364
Dimensions6.09 × 6.58 × 3.42 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.09 mm6.58 mm0.77 ctD / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG848666364
Side View
Table 67.0%Crown 33.8°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 52.0%

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 1
Current: £559 GBP|Low: £143 GBP|High: £559 GBP|Avg: £311 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3£143 GBP
Retailer 6£205 GBP
Retailer 8£215 GBP
Retailer 2£218 GBP
Retailer 4£350 GBP
Retailer 5£394 GBP
Retailer 7£450 GBP
Brilliant Earth£559 GBP

3 data points across 8 retailers

8 retailers£143 GBP to £559 GBP

A
Cheapest Retailer
-
£143 GBP
HK$1,500 HKD
B+
Retailer 2
-
£205 GBP
$275 USD
View
Retailer 3
-
£215 GBP
View
Price last confirmed 7 days ago
B+
Retailer 4
-
£218 GBP
€278 EUR
View
B
Retailer 5
-
£350 GBP
SGD 635 SGD
View
B
Retailer 6
-
£394 GBP
$528 USD
View
Retailer 7
-
£450 GBP
$603 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
22382922A · Nov 2
£559 GBP
$750 USD
View
7 more retailers have this diamond
Prices start from £143 GBPSave up to £416 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
0.77ct Heart
£143 GBP