Heart|Lab Grown|IGI

1.21ct F VVS2 Heart Lab Grown Diamond

ID • F/VVS2 • IGI LG828628283

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828628283

Diamond specifications and retailer prices

From £138 GBP
$183 USD
As of October 27, 2026
Save £720 GBP (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £858 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.21ct lab-grown heart diamond

This 1.21ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828628283 or 828628283. Listed at 17 retailers as of October 27, 2026, with prices from £138 to £858, a £720 spread on the same certified stone. Reve Diamonds lists it at £858. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828628283
Dimensions7.49 × 6.55 × 4.24 mm
L/W Ratio1.14
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
7.49 mm6.55 mm1.21 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828628283
Side View
Table 60.0%Crown 38.3°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 56.6%

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 27
Current: £176 GBP|Low: £111 GBP|High: £858 GBP|Avg: £442 GBP|+58.1%
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 29, 2026
Retailer 13£171 GBP
Retailer 1£176 GBP
Retailer 8£294 GBP
Retailer 4£303 GBP
Retailer 7£307 GBP
Retailer 2£350 GBP
Retailer 9£417 GBP
Retailer 10£441 GBP
Retailer 5£550 GBP
Retailer 11£570 GBP
Retailer 3£591 GBP
Retailer 12£610 GBP
Retailer 6£804 GBP
Reve Diamonds£858 GBP

44 data points across 14 retailers

17 retailers£138 GBP to £858 GBP

A
Cheapest Retailer
-
£138 GBP
$183 USD
A
Retailer 2
-
£160 GBP
$213 USD
View
A
Retailer 3
-
£171 GBP
$227 USD
View
A
Retailer 4
-
£171 GBP
$227 USD
View
A
Retailer 5
-
£176 GBP
$234 USD
View
Final sale: no returns
A
Retailer 6
-
£294 GBP
ZAR 6,305 ZAR
View
A
Retailer 7
-
£303 GBP
$402 USD
View
A
Retailer 8
-
£307 GBP
View
B+
Retailer 9
-
£350 GBP
$465 USD
View
B+
Retailer 10
-
£417 GBP
A$853 AUD
View
B+
Retailer 11
-
£441 GBP
$586 USD
View
B+
Retailer 12
-
£550 GBP
$731 USD
View
B+
Retailer 13
-
£570 GBP
A$1,166 AUD
View
Price last confirmed 21 days ago
B
Retailer 14
-
£591 GBP
$785 USD
View
B
Retailer 15
-
£610 GBP
$810 USD
View
B
Retailer 16
-
£804 GBP
View
Most Expensive
B
Reve Diamonds
0393CFE49 · Oct 28
£858 GBP
$1,140 USD
View
16 more retailers have this diamond
Prices start from £138 GBPSave up to £720 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
1.21ct Heart
£138 GBP