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Heart|Lab Grown|IGI

0.99ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG828618943

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828618943

Diamond specifications and retailer prices

From £153 GBP
HK$1,600 HKD
As of November 1, 2026
Save £332 GBP (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £770 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

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 LG828618943 or 828618943. Listed at 16 retailers as of October 27, 2026, with a 217% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle40.1°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828618943
Dimensions6.84 × 6.51 × 3.83 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm6.51 mm0.99 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG828618943
Side View
Table 64.0%Crown 40.1°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 56.0%

Caratlytics Score

How it works →
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: £234 GBP|Low: £125 GBP|High: £770 GBP|Avg: £347 GBP|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Reve Diamonds
October 31, 2026
Retailer 5£125 GBP
Retailer 2£153 GBP
Retailer 3£178 GBP
Retailer 1£234 GBP
Retailer 11£238 GBP
Retailer 14£246 GBP
Retailer 4£253 GBP
Retailer 8£254 GBP
Retailer 12£296 GBP
Retailer 7£349 GBP
Retailer 10£376 GBP
Retailer 9£436 GBP
Retailer 6£485 GBP
Retailer 13£646 GBP
Reve Diamonds£770 GBP

27 data points across 15 retailers

16 retailers£153 GBP to £485 GBP

Retailer 1
-
£138 GBP
$185 USD
Price last confirmed 29 days ago
A
Retailer 2
-
£153 GBP
HK$1,600 HKD
View
Retailer 3
-
£178 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
£234 GBP
€298 EUR
View
A
Retailer 5
-
£238 GBP
View
Retailer 6
-
£246 GBP
ZAR 5,315 ZAR
View
Price last confirmed 10 days ago
Retailer 7
-
£253 GBP
$339 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£254 GBP
$341 USD
View
Retailer 9
-
£296 GBP
View
Price last confirmed 7 days ago
B+
Retailer 10
-
£349 GBP
$467 USD
View
B+
Retailer 11
-
£376 GBP
SGD 681 SGD
View
B
Retailer 12
-
£436 GBP
$584 USD
View
Retailer 13
-
£448 GBP
$600 USD
View
Price last confirmed 32 days ago
B
Retailer 14
-
£485 GBP
$650 USD
View
Retailer 15
-
£646 GBP
View
Price last confirmed 8 days ago
Most Expensive
Reve Diamonds
23C3FBD74 · Oct 25
£770 GBP
$1,031 USD
View
Price last confirmed 8 days ago
15 more retailers have this diamond
Prices start from £153 GBPSave up to £332 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