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Heart|Lab Grown|GIA

1.33ct D IF Heart Lab Grown Diamond

ID • D/IF • GIA 6505280435

Certificate GIA 6505280435

Diamond specifications and retailer prices

From £413 GBP
As of November 4, 2026
Save £2,037 GBP (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,451 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.33ct lab-grown heart diamond

This 1.33ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half 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 6505280435. Listed at 9 retailers as of November 4, 2026, with prices from £413 to £2,451, a £2,037 spread on the same certified stone. MOH London lists it at £2,451. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
D
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6505280435
Dimensions7.62 × 6.60 × 4.56 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
An additional inscription is present. This is a man-made diamond.
Key to symbols
Minor Details of Polish
Top View
7.62 mm6.60 mm1.33 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6505280435
Side View
Table 55.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 59.9%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: £2,451 GBP|Low: £403 GBP|High: £2,468 GBP|Avg: £1,270 GBP|+7.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 3£413 GBP
Retailer 8£462 GBP
Retailer 6£463 GBP
Retailer 7£513 GBP
Retailer 9£976 GBP
Retailer 4£1,488 GBP
Retailer 5£1,519 GBP
Retailer 10£1,676 GBP
Retailer 2£2,044 GBP
MOH London£2,451 GBP

30 data points across 10 retailers

9 retailers£413 GBP to £2,451 GBP

A+
Cheapest Retailer
-
£413 GBP
A
Retailer 2
-
£462 GBP
View
Final sale: no returns
A
Retailer 3
-
£463 GBP
View
A
Retailer 4
-
£513 GBP
View
B+
Retailer 5
-
£976 GBP
View
B+
Retailer 6
-
£1,488 GBP
View
B+
Retailer 7
-
£1,519 GBP
View
B
Retailer 8
-
£2,044 GBP
View
Most Expensive
B
MOH London
6505280435 · Nov 5
£2,451 GBP
View
8 more retailers have this diamond
Prices start from £413 GBPSave up to £2,037 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+
1.33ct Heart
£413 GBP