Heart|Lab Grown|IGI

0.99ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG834615975

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG834615975

Diamond specifications and retailer prices

From £153 GBP
HK$1,600 HKD
As of November 1, 2026
Save £467 GBP (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £755 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 LG834615975 or 834615975. Listed at 13 retailers as of October 26, 2026, with a 306% 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle29.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834615975
Dimensions7.00 × 6.03 × 4.03 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm6.03 mm0.99 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG834615975
Side View
Table 66.0%Crown 29.7°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 57.6%

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: £332 GBP|Low: £119 GBP|High: £770 GBP|Avg: £346 GBP|+3.2%
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
Reve Diamonds
October 31, 2026
Retailer 4£119 GBP
Retailer 13£153 GBP
Retailer 2£171 GBP
Retailer 9£226 GBP
Retailer 12£236 GBP
Retailer 3£245 GBP
Retailer 6£252 GBP
Retailer 11£284 GBP
Retailer 1£332 GBP
Retailer 8£362 GBP
Retailer 7£414 GBP
Retailer 5£467 GBP
Retailer 10£620 GBP
Reve Diamonds£755 GBP

37 data points across 14 retailers

13 retailers£153 GBP to £620 GBP

A
Cheapest Retailer
-
£153 GBP
HK$1,600 HKD
Retailer 2
-
£171 GBP
View
Price last confirmed 16 days ago
A
Retailer 3
-
£226 GBP
View
Retailer 4
-
£236 GBP
ZAR 5,102 ZAR
View
Price last confirmed 10 days ago
Retailer 5
-
£245 GBP
$328 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£252 GBP
$338 USD
View
Retailer 7
-
£284 GBP
View
Price last confirmed 7 days ago
B
Retailer 8
-
£332 GBP
$445 USD
View
B+
Retailer 9
-
£362 GBP
SGD 655 SGD
View
B
Retailer 10
-
£414 GBP
$555 USD
View
B
Retailer 11
-
£467 GBP
$626 USD
View
B
Retailer 12
-
£620 GBP
View
Most Expensive
Reve Diamonds
9812E9C29 · Oct 25
£755 GBP
$1,012 USD
View
Price last confirmed 8 days ago
12 more retailers have this diamond
Prices start from £153 GBPSave up to £467 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