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Heart|Natural|GIA

0.63ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 7498758961

Certificate GIA 7498758961

Diamond specifications and retailer prices

From £437 GBP
$585 USD
As of October 31, 2026
Save £505 GBP (54%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £942 GBP at Fonder Diamond · As of October 31, 2026
View at Fonder Diamond

About this 0.63ct natural heart diamond

This 0.63ct natural heart sits in the half to three-quarter 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 7498758961. Listed at 12 retailers as of October 31, 2026, with prices from £437 to £942, a £505 spread on the same certified stone. Fonder Diamond lists it at £942. 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

0.63
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7498758961
Dimensions5.96 × 5.09 × 3.01 mm
L/W Ratio1.17
Culet sizeNone
Key to symbols
Crystal
Top View
5.96 mm5.09 mm0.63 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7498758961
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.1%

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: Oct 31
Current: £942 GBP|Low: £431 GBP|High: £948 GBP|Avg: £633 GBP|-0.4%
Fonder Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 9£437 GBP
Retailer 5£442 GBP
Retailer 12£507 GBP
Retailer 8£540 GBP
Retailer 6£565 GBP
Retailer 2£574 GBP
Retailer 3£577 GBP
Retailer 7£612 GBP
Retailer 10£634 GBP
Retailer 11£657 GBP
Retailer 4£833 GBP
Fonder Diamond£942 GBP

43 data points across 12 retailers

12 retailers£437 GBP to £942 GBP

A
Cheapest Retailer
-
£437 GBP
$585 USD
A
Retailer 2
-
£442 GBP
$592 USD
View
Final sale: no returns
A
Retailer 3
-
£507 GBP
MYR 2,767 MYR
View
A
Retailer 4
-
£540 GBP
SGD 977 SGD
View
A
Retailer 5
-
£565 GBP
$757 USD
View
A
Retailer 6
-
£574 GBP
View
Retailer 7
-
£577 GBP
$773 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
£612 GBP
$820 USD
View
B+
Retailer 9
-
£634 GBP
$850 USD
View
B+
Retailer 10
-
£657 GBP
$880 USD
View
B+
Retailer 11
-
£833 GBP
A$1,718 AUD
View
Most Expensive
B+
Fonder Diamond
74436915 · Oct 31
£942 GBP
SGD 1,705 SGD
View
11 more retailers have this diamond
Prices start from £437 GBPSave up to £505 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
0.63ct Heart
£437 GBP