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Heart|Lab Grown|GIA

1.21ct D IF Heart Lab Grown Diamond

EX • D/IF • GIA 6502980568

Certificate GIA 6502980568

Diamond specifications and retailer prices

From £436 GBP
As of November 4, 2026
2 retailers carry this diamond
Most expensive: £3,007 GBP at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown heart diamond

This 1.21ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6502980568. Listed at 2 retailers as of November 4, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6502980568
Dimensions6.56 × 7.49 × 4.40 mm
L/W Ratio1.14
Top View
6.56 mm7.49 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6502980568
Side View
Table 57.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 58.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £3,007 GBP|Low: £311 GBP|High: £3,711 GBP|Avg: £1,402 GBP|-19.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2£436 GBP
Retailer 8£585 GBP
Retailer 4£639 GBP
Retailer 6£790 GBP
Retailer 9£790 GBP
Retailer 7£1,153 GBP
Retailer 5£1,210 GBP
Retailer 3£1,451 GBP
Retailer 10£1,811 GBP
Do Amore Diamonds£3,007 GBP

68 data points across 10 retailers

2 retailers

A
Cheapest Retailer
-
£436 GBP
Final sale: no returns
Most Expensive
Do Amore Diamonds
24-ST24-21998 · Nov 3
£3,007 GBP
$4,060 USD
View
Price under review
1 more retailer has this diamond
Prices start from £436 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
£436 GBP