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Heart|Natural|GIA

0.42ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 5296884635

Certificate GIA 5296884635

Diamond specifications and retailer prices

From £249 GBP
₹31,724 INR
As of October 31, 2026
Save £306 GBP (55%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £555 GBP at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 0.42ct natural heart diamond

This 0.42ct natural heart sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5296884635. Listed at 2 retailers as of October 31, 2026, with prices from £249 to £555, a £306 spread on the same certified stone. 77 Diamonds lists it at £555. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.42
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5296884635
Dimensions4.40 × 5.28 × 3.02 mm
L/W Ratio1.20
Top View
4.40 mm5.28 mm0.42 ctD / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceFaint
CertificateGIA 5296884635
Side View
Table 57.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 57.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £555 GBP|Low: £248 GBP|High: £556 GBP|Avg: £402 GBP|+2.2%
77 Diamonds
Retailer 2
October 31, 2026
Retailer 2£249 GBP
77 Diamonds£555 GBP

45 data points across 2 retailers

2 retailers£249 GBP to £555 GBP

A
Cheapest Retailer
-
£249 GBP
₹31,724 INR
Most Expensive
B
77 Diamonds
HSCPVUPUKVGR · Oct 31
£555 GBP
View
1 more retailer has this diamond
Prices start from £249 GBPSave up to £306 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
0.42ct Heart
£249 GBP