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Heart|Lab Grown|IGI

0.99ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG829610778

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG829610778

Diamond specifications and retailer prices

From £153 GBP
HK$1,600 HKD
As of November 1, 2026
Save £480 GBP (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £633 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.99ct lab-grown heart diamond

This 0.99ct lab-grown heart sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG829610778 or 829610778. Listed at 13 retailers as of October 26, 2026, with prices from £153 to £633, a £480 spread on the same certified stone. MOH London lists it at £633. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829610778
Dimensions6.78 × 6.56 × 3.91 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.78 mm6.56 mm0.99 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG829610778
Side View
Table 65.0%Crown 34.7°Girdle: MED-THKPavilion 41.5°Culet: NoneDepth 57.7%

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 1
Current: £633 GBP|Low: £153 GBP|High: £640 GBP|Avg: £324 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 13£153 GBP
Retailer 3£175 GBP
Retailer 2£229 GBP
Retailer 10£232 GBP
Retailer 12£241 GBP
Retailer 4£250 GBP
Retailer 7£253 GBP
Retailer 11£290 GBP
Retailer 6£340 GBP
Retailer 9£369 GBP
Retailer 8£425 GBP
Retailer 5£476 GBP
MOH London£633 GBP

27 data points across 13 retailers

13 retailers£153 GBP to £633 GBP

A
Cheapest Retailer
-
£153 GBP
HK$1,600 HKD
Retailer 2
-
£175 GBP
View
Price last confirmed 16 days ago
A
Retailer 3
-
£229 GBP
€292 EUR
View
A
Retailer 4
-
£232 GBP
View
Retailer 5
-
£241 GBP
ZAR 5,208 ZAR
View
Price last confirmed 10 days ago
Retailer 6
-
£250 GBP
$335 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
£253 GBP
$339 USD
View
Retailer 8
-
£290 GBP
View
Price last confirmed 7 days ago
B+
Retailer 9
-
£340 GBP
$456 USD
View
B+
Retailer 10
-
£369 GBP
SGD 668 SGD
View
B
Retailer 11
-
£425 GBP
$570 USD
View
B
Retailer 12
-
£476 GBP
$638 USD
View
Most Expensive
B
MOH London
LG829610778 · Oct 26
£633 GBP
View
12 more retailers have this diamond
Prices start from £153 GBPSave up to £480 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
0.99ct Heart
£153 GBP