Heart|Natural|GIA

0.50ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 5516503122

Certificate GIA 5516503122

Diamond specifications and retailer prices

From $637 USD
As of November 6, 2026
Save $317 USD (33%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,640 USD at MOH London · As of November 2, 2026
View at MOH London

About this 0.5ct natural heart diamond

This 0.5ct natural heart sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5516503122. Listed at 10 retailers as of November 6, 2026, with a 50% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.50
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5516503122
Dimensions4.77 × 4.56 × 3.05 mm
L/W Ratio1.05
Top View
4.77 mm4.56 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5516503122
Side View
Table 65.0%CrownGirdle: ThickPavilionCulet: NoneDepth 66.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,640 USD|Low: $441 USD|High: $2,064 USD|Avg: $875 USD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$637 USD
Retailer 10$796 USD
Retailer 5$820 USD
Retailer 9$820 USD
Retailer 4$846 USD
Retailer 6$850 USD
Retailer 2$910 USD
Retailer 3$954 USD
MOH London$1,640 USD
Retailer 7$2,064 USD

43 data points across 10 retailers

10 retailers$637 USD to $954 USD

B
Cheapest Retailer
-
$637 USD
B
Retailer 2
-
$796 USD
View
B
Retailer 3
-
$820 USD
View
B
Retailer 4
-
$820 USD
View
B
Retailer 5
-
$846 USD
View
B
Retailer 6
-
$850 USD
View
B
Retailer 7
-
$910 USD
View
B
Retailer 8
-
$954 USD
View
Most Expensive
MOH London
43BF9147F · Nov 2
$1,640 USD
£1,291 GBP
View
Price under review
8 more retailers have this diamond
Prices start from $637 USDSave up to $317 USD

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.

B
0.50ct Heart
$637 USD